They don't have legal drugs on the premises.
I doubt that they get many cash purchases.
They must be fearful of irate spouses or ex-employees.
However, will a gun buster sign stop them?
There are no dangerous weapons; there are only dangerous men. - RAH
Four boxes to be used in defense of liberty: soap, ballot, jury, ammo - use in that order.
If you aren't part of the solution, then you obviously weren't properly dissolved.