This comes down to the old debate over which philosophical framework is the basis for ethics and morality.
If you're a deontologist, you might say that Mr. Beast is not a good person because he intentionally exploits people when he provides medical care for someone, by uploading their reactions for engagement.
However, a consequentialist would say that the outcome is more important; the means by which people receive medical care is irrelevant, and in this case, their treatment essentially necessitates compensation via engagement.
Used to be a 9"gagger until I got shadow banned for pushing back on transphobic comments, even after I paid for PRO+
4chan is a mixed bag, if you stay away from /b/ and /pol/ (which are chaos), you'll be in a neutral wild-west.
I still browse 4chan because the dark humour I crave cannot be satiated elsewhere. Even /r/imgoingtohell was essentially reposting 4chan memes.