Anyone that uses "ghey" "gay" "fags" in a derogatory manner in posts for one. We had a window post the Orlando Pulse shooting when lgbt's were very interested in the 2a. Unfortunately, many in the firearms community were to unsure of their own sexuality to simply be welcoming, but took it upon themselves to create an atmosphere that was less than hospitable.
There's really no denying that the firearms community is afflicted with a bit of bro culture. I'm sure someone as perceptive as you has noticed it.
I can't see someone using those terms keeping them away. All the gay people I know are pretty loose with the language, and I'm not in to double standards.
Either way, I don't think that a fraction of a percentage of 1-2% of the countries,population would make that huge of a difference. If you havent noticed lately, the left is so far up their own ass they eat their own for not being the right kind of gay or feminist or democrat. What makes you think having a few gay people with guns would change their minds. I welcome them, but lets not pretend that that is what has caused this