"Deactivate [touchpad] during typing" should contain a warning about it making impossible to aim-while-moving in games. Or perhaps identify Proton (Or anything game-specific) being used and deactivate automatically?
A possibly relevant merge request was started @ https://invent.kde.org/plasma/plasma-desktop/-/merge_requests/2343
Git commit a087cbe588424d4f0c1d305a6044730681555064 by Nate Graham. Committed on 26/06/2024 at 12:35. Pushed by ngraham into branch 'master'. kcms/touchpad: warn that "disable while typing" can break games I opted not to use a ContextualHelpButton because I think it's fairly important that people see this message and be made aware of what it might break. FIXED-IN: 6.2 M +8 -0 kcms/touchpad/ui/main.qml https://invent.kde.org/plasma/plasma-desktop/-/commit/a087cbe588424d4f0c1d305a6044730681555064