I don’t need a push, a Linux machine is my daily driver (and has been for something like 8+ years now), and I’ve worked in IT doing virtualization/automation/data management and compliance for several years. I spend a lot of time in the terminal.
To me the Windows gaming PC is essentially a console, no different than a PS5 or a Switch is to someone else. It’s been up and running as such since before Proton was fully viable and for its use case I don’t see a need to change it until it’s due for a rebuild/replacement/upgrade.