I’m sure Hank didn’t believe him.
But, you’re right. Hank has his hubris, too.
I do wonder, since we are talking about flaws and you mentioned Hanks’s run-in with Jesse. Hank was in some sort of trouble for his behavior. Sent home, with no gun or badge.
All that gets dropped and you are re-instated just cause some Mexicans try to kill you in a parking lot?
Pinkman dropped the issue. They had to reinstate him. Saul took the long view.
Thats why the issue was dropped.