To summarize the state of Call of Duty:
People are more excited about a game from 2010/2012 getting a port to PS5 than literally anything from the absolute entirety of Black Ops 7 and Modern Warfare 4 combined.
Just in:
More and more people are able to get on Black Ops 2 and Black Ops 1 on PS5
It appears to be a glitch when you use a New Zealand Account and change the time of your console!
Then its buyable in the PSN Store for some users