Sure, perception is everything until the veil is shattered with the truth. Who says the crazy gun nuts went crazy? Bloomberg? The media? The government? Me? You?
This point when made always grinds my gears for the past couple of years now. The antis' minds are never going to change, we're all nuts in their minds. Always. See the "tea party are all racists, all the time" meme and the feminists "one free grope rule" for Slick Willies they support. Equality for some but not others. See the abortion rights are sacrosanct, "my body, my choice!" crowd who also support mandated government healthcare. For every "open carry folks made things worse in CA!" there are hundreds if not thousands of cases that justify not just open carry but concealed carry with no permit requirement.
This is an issue where you can't waffle around as you'll end up compromising your beliefs away for false peace/treasure/harmony. See the past 79 years since the NFA law. See children being suspended from school for gi joe toy doll-guns, toaster pastries, and drawings of guns. You can't change the perception if you're dancing to their tune.
You're right- "antis" are mostly a lost cause. At least, not worth our time. But it's not them we're worried about, it's the "NONS" we have to worry about. The other 80% of this country that can and does go either way, depending on how emotional they're feeling at the moment. THESE people think "we" are freaks for open-carrying, and it's THESE people we need to be convincing "we" are NOT.