Good for popular streamers

If you mean the HUD notification icons you can hide them with Ctrl+H, https://docs.vrchat.com/docs/keyboard-and-mouse

i personally dont like this idea, reasons of why is there is already a ton of ignoring requests and such and world invites and people just avoiding others. This would only add on to this immersion seperation and makes things worst personally and friend requests sent is buggy now and works sometimes and not work others so it probably would only add on