Then, by this philosophy, anyone should be able to carry at any and all events. Even in cases where LEO are protecting a high value asset, political figure, etc. I have my 2A right and they can’t deny my rights, regardless of my interactions with them and regardless of consequences.
Simple answer to you question. Before you carry, evaluate the situation before you do. He went to one of the most chaotic flash points in the US right now, carrying a firearm and confronting LEO, where there are hundreds of armed Feds whose anxiety is probably spiked.
Dumb move on Pretti’s part.