The sites are very comparable, which is why everyone is comparing them. 4chan being profitable, and reddit not being profitable don't make them not comparable.
Lots of ads have fat shaming in them, so I'm not sure why you wouldn't want diet pill ads next to fat shaming posts. Have you read any fitness articles recently? It's pretty much fat shaming content, next to ads for things that might make you less fat.
He said in an interview that it was technically profitable, but that nobody was taking a paycheck. That was in 2010. It's been supposed that the 'passes' system in 2012 made the site actually-profitable, but I haven't seen any statement to that effect.
He also offered refunds for the passes last year because Google's new Recaptcha system meant that a lot of users were no longer seeing captchas at all.
Lots of ads have fat shaming in them, so I'm not sure why you wouldn't want diet pill ads next to fat shaming posts. Have you read any fitness articles recently? It's pretty much fat shaming content, next to ads for things that might make you less fat.