The fellow is a Part 107 pilot and is required to show his identification and aircraft registration upon request by any law enforcement officer.
He was in violation of federal law. That seems like an extremely bad situation in which to choose...
No one is suggesting that people should "bend the knee" or surrender their rights. The point is, the pilot might have been able to avoid legal trouble altogether if he had approached the situation with a bit more composure. Instead, he chose to...
For sure, you are allowed to bend the knee and consent; citizens can waive their rights at any point during the interaction. It is entirely your decision if you feel you need to cooperate with whatever is asked of you; that's fine. But please...