Just guessing, are we?

That post is 3 years old, so basically around 1 year into the Steam Deck's release.

	▲	cwnyth 3 hours ago \| parent [-]
		And yet, Cities Skylines still (last tried: about 2 months ago) crashes for me when I try to load it in Wayland on Fedora, which has removed Xorg from its updates. Wayland has broken dozens of my Steam games.