This is all because libtard agitators create a big scene about being “scared” or “offended” if someone is open carrying. I have to cut Starbucks some slack here - they want to sell coffee to as many customers as possible, not be involved in a political battle.
You hit the nail on the head. Unfortunately, honest gun owners can’t really do much about this (other than to stop patronizing stores that go along with the liberal complainers).