There are entire playlists with hundreds of comments like these.
https://www.youtube.com/watch?v=MsY9UMc_OSc
Other threads:
>>135056736
>>>/x/19352228
>>>/an/2440894
uma delicia
UMA DELICIA
Some of them are definitely real people too, not just bots.
https://www.fuckbook.com/william.zabel
Here is a playlist of the videos, all of which involve monkeys suffering in some way. The comments are the most fucked up part, though.
http://www.youtube.com/playlist?list=PLtuEsbXl6hTneCCSNjVbexx5XIggGSMIh
These are people who end up on the wrong side of history in the Planet of the Apes movies.