Especially not if you’ve not considered that captive portals exist. Heh.
I suppose this could actually be considered somewhat impressive versatility of design (albeit obviously unintentionally) but it’s certainly problematic to the immersion.
In case the weirdness of the surrounding GUI is of interest, that’s due to Release Proton 9.0 (Beta15) · ValveSoftware/Proton · GitHub via https://download.opensuse.org/repositories/openSUSE:/Factory:/NonFree/standard/x86_64/steam-1.0.0.79-1.2.x86_64.rpm.