On Linux, Anti cheat runs on the user level. The cheaters are on Windows and spoof their OS as Linux, so they can run anti cheat on the user level, not flag as suspicious and then run kernel level cheat software.
I have no technical knowledge myself, have no idea of this is true and will not be able to answer questions about this.
A YouTuber explained it as follows:
On Linux, Anti cheat runs on the user level. The cheaters are on Windows and spoof their OS as Linux, so they can run anti cheat on the user level, not flag as suspicious and then run kernel level cheat software.
I have no technical knowledge myself, have no idea of this is true and will not be able to answer questions about this.