Earlier quoted context omitted.
The malware is there regardless, this is about Linux marketshare. You can dislike it (and I do) without gatekeeping your favourite operating system because people want to run software on it that you don't approve of.
The problem with anti-cheat software is that it needs extremely high permissions. It wants to inspect every process, take screenshots etc. It's pretty extreme stuff. And the stupid thing is that a lot of games install this software regardless of whether you actually play online or not! I've even had some games that insisted I enable Valve Anti Cheat and refuse to launch otherwise, even though I just wanted to play si…
Thus permissions like that are kind of required. Now, you can dispute if some random online lobby should perhaps have an option of "i dont care". However large group of gamers does care, especially in more competetive games as league of legends, csgo etc.