perfmon says that 'Kernel Current URIs Cached = 2 (average) and that 'Output Cache Current Items' = 3000-4000 (average) I think that this means that almost all of the objects are in the User Mode ...

Valve has now made it compulsory for game developers to state if their games feature kernel-level anti-cheat utilities. Please note that disclosure is optional if the anti-cheat works in user mode ...

User-mode WireGuard has been available in FreeBSD since 2019 and remains unaffected. If you pkg install wireguard, you get user-mode WireGuard, better known as wireguard-go.

The latest game publisher to add kernel-level cheat protections is EA. The new EA Anti-Cheat (EAAC) debuts in the upcoming FIFA 23 for PC later this month.