I try not to use them on principle but suspect that supermarkets plan manning the tills so that one is tempted by the self-serve ones which they can then say are being used a lot.
We also have those self-scanning ones in Tesco. I hate those with a vengeance as I'm convinced I am conditioned, after 44 years of blinking shopping, to just sling stuff straight in the trolley and then I will be caught trying to shoplift. 
AIBU to wish toilet cubicles were a decent size.
Angela Rayner is a scrounger, grifter and shameless hypocrite.



