system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Communism is supposed to create a "classless utopia" but how come most communist countries are terrible places to live?

Places like the former USSR, North Korea, China, Cuba, North Korea, etc. are for the most part, are oppressive societies with power and wealth concentrated in the hands of a few. Communist philosophy, from what I understand, talks a lot about the excesses and greed associated with capitalism. Yet these "communist" countries usually end up the exact opposite of what communism intended. How can they still call themselves communist?
gpt
Say you are in a group of 100 people. Essentially, they all agree that you should be in charge of how much they eat and what they eat. Now, you could buy them all steaks, marinate that shit, grill it up amazing and BAM they all love you! Cost: $10 per person for a total of $1,000 (just for round numbers). 

On the other hand, you could buy ONE steak, you have an awesome meal when they can't see you and buy for them a packet of Ramen noodles while saying "these are tough times and we must all dig deep to give for our long term good!" Cost: $10 for 1 steak, about $0.25 per packet of noodles for $249.75 for total of $259.75. As long as the rest of the group doesn't see you eating steak, you keep saving money for yourself. 

Now, the countries you mentioned have a history of social brainwashing to make sure everyone in the country KNOWS that this is the way things need to be for everyone's good. Unless the entire group finds out they are being lied to, it's very tough to break that kind of view.