Nah, you good.

The notification is the the start menu. There’s a little notification dot on the profile icon above the power and settings icon.

This issue: https://community.spiceworks.com/t/disable-sign-in-to-your-microsoft-account-prompt-in-start-menu/965584

Running win 10 enterprise. I can say “remind me later” but not “never remind me.” I did a registry/GPO fix which made it go away… Until it came back. The OS just feels pushy at times.