I mean…if I thought it was obvious, I obviously wouldn’t be asking. What seems obvious is that you’re deflecting because you don’t actually have an answer.
He uses Windows for almost anything. The things he does use that are not Windows based are very few and he doesn’t usually explain in detail what they are… because he doesn’t know what they are.
Using an OS suited to his needs (gaming/content creation) isn’t being a fanboy, it’s using the best possible tools for the job. Linux is still a worse gaming experience than windows, no matter what way you try to sell it
Being a primarily-Windows user is not the same thing as being a Windows “fanboy”.