I've been using that branch on the Moor for over five years at least, maybe longer, and there has been no "one way system with alarms" at the till for all that time.
Nor have I seen any of the security checking every reciept. The odd dodgy customer maybe, but that happens everywhere and haven't seen that for some time.
They have one door in and one door out of the whole building to manage customer flow but it's hardly a one way system and it's sensible imo.
Given mine and Hackeys experience at what I assume is the Crystal Peaks branch, may I suggest you are laying it on a bit thick.