Do you have a source for that? All I can find on their Steamworks site is the rules on Steam keys being restricted, not other versions. Maybe I missed that email part in the news.
It only applies to Steam product keys though, so developers cannot sell cheap Steam keys on other platforms while still taking advantage of Steam's services.
Nobody would care if the model was built on data that was legally acquired, gaining permission from the authors and paying them for it, if they requested.
Instead these models have illegally scraped the web and companies are now reselling that to you. Nobody has an issue with machine learning, it's the stealing of work and art.
"I made this"
Thats the first issue, before we move on to all the other issues AI causes.
Using a massive negative of AI to attack AI is confusing to you?