The HL3 memes don't even seem fair to use anymore. I don't even want to un-seriously make joke fun of them at this point. They are just genuinely doing so much for the community.
Targeting Wine/Proton is the best of both worlds for everyone. Developers need to Just™ not use a few footguns that they mostly don't have reasons to touch anyway, and otherwise they don't need to change anything, while consumers get a game on that works just as well on Linux as on Windows.
Of the top 1000 games it seems 77% are playable. 40% of it needing "some tinkering" but I dont know what that means