“why should you change the way you think just so youre politically correct“
What, why should you stop being racist or sexist or homophobic or whatever? Dunno, can’t think of a good reason. Anyone?
“its a bloody shelf, not a bagging area“
It’s an area where you put things in bags, an action known as bagging. What shall we call this area in which we bag, so as to make it easily identifiable from the shelf on the left where you put your basket whilst scanning your goods? I know, let’s call it “a shelf”.