If you look at modern games that still do this, plenty of them add additional anticheats, not less. FiveM, modded servers for GTAV, had anticheats before Rocks

If you look at modern games that still do this, plenty of them add additional anticheats, not less. FiveM, modded servers for GTAV, had anticheats before Rockstar added any which already prevented Linux players. Face IT for CS2 does the same.