system
Given the following post, respond as if you're commenting on Reddit:
human
Why is Monkeypox affecting, "men who have sex with men" more than any other demographic?

I've read that Monkey Pox isn't an STD. So why is MSM, allegedly, the most afflicted group according to the WHO?

Edit: Unfortunately, I feel that the answers aren't clear enough and I still have doubts.

I understand that Monkeypox isn't strictly an STD, and it's mainly transmitted by skin-to-skin contact and respiratory secretions during prolonged face-to-face contact. So, I still don't understand why are the media and health organizations focusing specifically on the MSM demographic.

Even if the spread, allegedly, began in some sort of gay event, any person, regardless of sexual orientation,  could eventually get infected with Monkeypox. It's not as if MSM only had contact with other MSM. They might also spread the disease to their heterosexual friends, coworkers, acquaintances, and relatives.

In the worst-case scenario in which we aren't able to contain Monkeypox, LGBT people who don't even participate in random sexual encounters or social gatherings might get infected by heterosexual carriers.

Shouldn't the narrative be changed to "people who partake in hook-up culture and large social events"? What does sexual orientation have to do with the spread of the disease?

Edit2: I'm reading an alarming number of baseless assumptions and stereotypes about MSM or gay men in general, I honestly thought this subreddit was much better.

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gpt
I can only speak specifically to the epidemiology in Canada but it is likely similar in other non-endemic countries.

Monkeypox is primarily spread by direct contact with infectious sores, scabs, or body fluids. As such, monkeypox can spread during activities that include close, personal contact with an infected individual. The infected individuals often have a prodromal fever and the skin findings don't appear until about 5 days later. So you can be infectious without knowing it before you get the rash. Mucous membrane microabrasions are a potential portal of entry but not required so people focusing on it being because of anal sex etc. are misguided. There are other mechanisms of transmission reported include fomites (i.e. touching an object that then someone else touches) and vertical transmission (i.e. passing from mother to baby in utero). 

In general, people are having a lot less sex/close personal contact than you think. On average, people have 0-1 close contact partners, including people who are MSM. However, there is a subset of the MSM population that lie on the extreme end of this distribution and have close contact with significantly more partners. In Canada, monkeypox started out in a patient who was MSM. Subsequently it has largely stayed within this population and has had significant spread at events where people are having close contact with many people (e.g. bath houses, sex parties, etc). This close contact is also often anonymous and therefore difficult to do contact tracing.