It's extremely difficult for most people to admit core beliefs are wrong or even just misaligned. Probably a lot of fallacies at play, but sunk cost is a key to understanding it IMO. Admitting anything like making a mistake on who they identify with as a good leader this far into life for a guy like this is just not an option.
"Because of Biden"... it could literally be any name there, it doesn't actually matter who it is or what they did or didn't do. It was never going to be an option.
Open up a thread and see the boomer getting slapped around as usual while trying to be an expert in any and everything. Always hilarious.
Mariota being a weird guy doesn't have to do with him not being a good QB.