Most are...regardless of their intent.Middle Age Russ wrote: . I definitely got the feeling that the pat down was more for show.
When I have to go somewhere I can't carry, I just leave the pistol secured in the truck, and my holster in place (I use an MTAC, and frankly, my pants don't stay in place without the extra appendage!

I can't tell you the number of times I've been patted down right over that empty hardsided holster and not even raised an eyebrow...a proper pat-down, it would at least lead to a "What's that?" but it never does.
As for your original post...act as though it's no more unusual than your billfold being accidentally exposed, and it won't likely be a problem.