My question to those who wish to OC in places that post otherwise is what would you think if I wanted to shop those places with fully loaded AR slung.
That would be AWESOME! YES, that's the kind of acceptance and exposure we need! The whole idea of requiring concealed carry but discouraging open carry just perpetuates the silly, blind, illogical sensibilities of "the masses" for whom guns are out-of-sight/out-of-mind. Concealment is merely active, willful deception of those around you that your gun is not present/doesn't exist.
Further, if I might need a pistol (and we all accept that we might at any time, without warning) then I might need a rifle. If I can be trusted to carry one lethal weapon abroad in society (a pistol) than I can be trusted to carry any other (rifle/shotgun/?). It is simply harder to willfully deceive those around you when you're carrying a full-size gun, rather than the compact version.
Yes, yes, I understand the "politics" of concealed carry and the reasons that we choose not to disturb those grazing around us. I also understand the value of the element of surprise that a concealed gun could afford in a violent encounter. For the moment, I'm setting those points aside for the sake of the longer view. We should all strive for a society where OC raises no eyebrows, whether rifle, pistol, or whatever.
Remember, that used to be the case, we've lost a lot of ground...
-Sam
P.S. -- And, no, I don't OC very often at all, FWIW.