The mass majority are learning as they go, and are winging it. Adult games get away with a lot of shit because adult gaming fans are retarded coomers and cucks.
Getting rid of the bad apples is not just a benefit for gamers, but for game devs as well. We largely have a negative reputation among gamers. For the past year I've seen so many videos talking about the industry going to shit and/or crashing.
Apart from the NewGrounds era where people made adult games as a hobby, the hobby adult game devs are almost non-existent. I don't know of any other than myself.
P.S - If truth be told Netorare and Netorase is for cucks. No self respecting individual is a fan of that shit.