Hard times at Valve, I suppose they’ll have to find more children to start gambling with them.
If you want these kinds of things to stay up long enough for many people to see/use them you have to work around the legal limitations (regardless of whether they make ethical sense). Most commonly, make the site apply as a diff to the original content/assets the user provides.
Text is notorious for not conveying context. Sarcasm can easily be seen as serious by some people, why is why we have the /s notation to make it obvious.
People aren't idiots, they come from different backgrounds, locations, languages, and all use English as a common tongue. Have some consideration and stop thinking you are so big and clever.
Is it kind of a reverse Poe's Law?
That's why corporations can get away with everything.