Why is the anti-cheat blocking my browser (librewolf)

While this slimy **bleep** is allowed to have a youtube channel of all things:
https://www.youtube.com/watch?v=roF0zUieE5A

For a 70 eur price tag I'd expect the anti-cheat to be flawless; 100% ban-rate, and 0 false-positives.

Why did I need to enable secure boot and install Windows 11?