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human
CMV: You are either immoral or ignorant if you are not a vegan

I’ve been a lifelong meat eater until this past year when I started to learn more about veganism and the agribusiness industry, and since then I have gone down the rabbit hole of information and become fully vegan. I’m going to quickly mention a few things regarding health, the environment, the treatment of animals, and the spread of disease, but clearly this small reddit post will not be exhaustive and I strongly urge people to do their own research. Also, I’d like to mention that this post is directed towards those of us that live in developed nations with factory farming, not extremely rural areas that rely on animal products for survival. 
So in regards to if it’s healthy to be vegan, The American Dietetic Association, the largest body of diet and nutritional professionals in the US, deem veganism as healthy, safe, and nutritionally adequate for all stages of life, including pregnancy and infancy. This is also supported by British dietary association and the NHS. There have actually been many studies and research linking animal products to certain forms of cancer, heart disease, hypertension, type two diabetes, and other health problems. On top of this, studies are indicating that reducing your animal consumption can not only lower your risk but actually reverse the effects of many of these diseases. For more info on this topic I highly recommend checking out the documentaries What The Health, GameChangers, or What The Fork.
The environmental devastation caused by eating animal products is what originally convinced me to go vegan. There is so much to be said but I’ll mention a few of the things I find the most compelling. The animal agriculture industry produces more greenhouse gases (18%) than any other industry, that includes the entire transportation sector. Cows produce 150 billion gallons of methane per day, and methane is way more harmful for the ozone layer than CO2. Even without burning fossil fuels, we will exceed our 565 gigatons CO2 limit by 2030, all from raising animals.
The facts are even more devastating when we consider land use. Animal agriculture is responsible for up to 91% of Amazon destruction, with one to two acres being cleared every second. Growing and feeding livestock takes an immense amount of resources. Throughout the world, humans drink 5.2 billion gallons of water and eat 21 billion pounds of food each day. Worldwide, cows drink 45 billion gallons of water and eat 135 billion pounds of food each day. In fact, worldwide, at least 50% of grain is fed to livestock, and it takes 18 times more land to feed a meat eater than it does a vegan. The simple fact is we have more than enough food to feed the human race but instead we use at least half of our grain and mass amounts of water to feed livestock for more affluent countries to then slaughter and eat. There is much more to be said, such as the amount of waste being produced and its impact on ecosystems, or the fact that many believe if we continue at this rate we will have fishless oceans by 2048. A five year study from the University of Oxford, which is the most comprehensive study ever to analyze the relationship between farming and the environment concluded that the single biggest thing that we can do as individuals to prevent climate change is to be vegan. If you want more info I highly recommend watching Cowspiracy.  
Now, let’s very briefly consider the welfare of animals. This is an aspect that I find incredibly appalling and don’t want to spend much time on, but here are a few quick facts. Animals are forcibly impregnated every nine months and left in tiny areas where they often cannot move. Animals are crammed into small disease-ridden areas with  their own piss and shit. Farmed chickens on average lay 32 times more eggs than their wild counterparts. Cows, emotional and intelligent creatures, have their children ripped away from them at birth to provide milk for our consumption. Most animals are castrated with no anesthesia, and their deaths are very far from humane. To claim that these animals are worthless seems incredibly immoral, some of these are very intelligent animals. Pigs for example have the cognitive abilities similar to a three year old child and can communicate with over twenty unique vocalisations. There is simply no need to be consuming their flesh or secretions, and the sensation of eating them lasts mere minutes for us but it means entire lives of suffering for these animals. Out of all the documentaries I mentioned, I recommend Dominion the most. It had the strongest impact and really shows the horrors of animal agriculture. 
Finally, something to consider is the spread of diseases from our treatment of animals. I’m thinking of Mad Cow’s Disease, Swine Flu, Avian Bird Flu, among others. These all spread from our consumption and mistreatment of animals, and going vegan would decrease the likelihood of another pandemic. I would love to be able to consume animal products guilt-free again, but after learning all of this I have a hard time comprehending how someone who understands all of this would be opposed to veganism. In my opinion it is immoral to continue contributing and financially supporting climate change, the exploitation of animals, and public safety. Change my view please.
gpt
Based on your logic anyone who is living on Earth is immoral because they have contributed negatively to Earth's environment. For example, if you are a Vegan and you don't walk to work, then you are contributing to global warming if you drive a car or take public transportation (funding the use of buses). If you are a Vegan and you use electricity that is powered by non-renewable resources, then you are contributing to global warming. These are just two examples, but Vegans also contribute to the deterioration of Earth, so they are also immoral based on your definition.