Since the last tvOS update on Apple TV there are a plethora of functionality failures as they relate to TV App on MACs. I have a Maci mini with the TV App streaming a very healthy purchased movie library. The Apple TV device can see the iTunes media TV shows, Movies and Music libraries with all of my purchased movies. TV shows and music however, it can't play any video content. Now both iPads and my iPhones can play all of that shared, streaming content from my Mac mini.
Since the IOS devices and the OS Monterey devices can stream that content the indication is that it is NOT the TV App failing.
The only platform that fails constantly is the tvOS devices.
I have disabled all automatic updates on those IOS and OS X devices since Apple has developed the same problems plaguing Microsoft with undocumented features that cripple functionality in its products.
Apple needs to do better.
E_J_Andrich