The exit scanners arent just there for people using self service though are they as i'm sure your more than capable of working out ? , they are there to catch ppl exiting without paying, slipping items into other bags / pockets , transferring into tesco bags at checkout etc etc etc.
Seriously why are you so intent on pushing this, seems perfectly reasonable. Or were you on some ***** scouting mission and miffed you couldnt get away with it. Josticks for the climate camp, a tray of Pal for the dog on a string ?
Which bit of it do you find perfectly reasonable?