Unfortunately this is exactly the kind of situation these nuts want to happen. "He was just exercising his rights." He was there to intimidate, harass, and be a nuisance. Probably had wet dreams about some lib with a bat approaching him so he could claim self defense and be a "hero" like that other little bitch a few years back.
If a Democrat showed up to a Trump rally with a gun and a mask the cops would dump mags into them without hesitation.
Honestly I just assumed he was a right wing nut because this aligns so closely with their typical mo.