Comment by marcus_holmes

The top game tag by sales [0] is #singleplayer, which obviously doesn't care about anti-cheat.

There's a demographic of gamers who only play the one competitive multiplayer game (such as Fornite or CoD). They don't buy many games, they're not the most lucrative market for game publishers, but they do keep those titles in business. And yes, for them, anti-cheat is important and they're unlikely to move to Linux.

[0] https://games-stats.com/steam/tags/