YouTube blackout screen on the new 2022 Apple TV , Tried everything but still the same , Worked on the 2021 Apple TV any ideas ?

there are some posts about some youtube framerate stuff that require steps to resolve try reading this to see if it's your issue

Apple TV & YouTube app - Apple Community

if not then if it was me then I would pull the plug on both wifi router and appletv for 30sec and reconnect and try again