Yeah, everybody knows he can move around in a pocket, and throw a ball 50 yards. These are not particularly difficult skills.
What they want to see is if he can be a team player and not cause trouble as a bench-warming 3rd-string backup.
And what he proved by his maneuvers was that he cannot. He doesn’t accept limits, or guidance, or any rules or restrictions.
Which, if he was some 20-year-old hotshot, might be ignored, but that is not what you want in your experienced backup quarterback who might not ever throw a pass on the field, but is expected to run the offense in practices and teach things to the hotshot starter.
The only way he was going to get a spot on a roster is if some team is in contention and then their starter and backup both get broken, and then it would be a short-term contract which he won’t sign.
You mean like Johnny Football Manziel, who is now doing Commercials for auto insurance companies.................