Microsoft’s announcement: “We are introducing a new Game Pass recommendation card on the Settings homepage. The Game Pass recommendation card on Settings Homepage will be shown to you if you actively play games on your PC. As a reminder – the Settings homepage will be shown only on the Home and Pro editions of Windows 11 and if you’re signed into Windows with your Microsoft account.”
Yeah they’ll just show you ads for individual games if you have gamepass.
Also I can answer any questions you have about Linux, if you do want to switch