Originally Posted by
63rickert
Designing for the dimwitted prevents legal problems.
I remember a discussion at work a few years ago that went something like this:
Co-worker: "Make it idiot-proof so anyone can do it."
Boss: "Oh, you don't want to do that, they'll just make a better idiot."
Anyway, as others have said, it's time to find a different bike shop. I've been riding QR rear wheels for decades without issues.