[Traubenfuchs]

> They also pioneered a store that plays less of a moral police than any others.

They banned loli.

https://kotaku.com/steam-is-banning-sex-games-with-young-loo...

[Dracophoenix]

And a whole host of other games: Hatred, Active Shooter, Rape Day, Super Seducer 3. In many cases, Valve retroactively edited its content policies to justify banning such games.