https://nichegamer.com/steam-bans-order-us-for-having-an-adult-with-a-small-chest/
By the way, that was also NCOSE (a group of puritanical Christian fundamentalists led by Mormon fundamentalists).
Back in 2018, they bragged about lobbying #Steam (and misled them), and took responsibility for it. They would probably rather Steam bans all sexual content though.