AITAH for telling off a lady in a supermarket after she made the teenage cashier cry?

The story centers on a 35-year-old woman (OP) while she was waiting in a long checkout line at a busy supermarket.

The core conflict began when an older female customer became visibly agitated with a teenage cashier who appeared to be new and made minor errors while scanning groceries.

When the cashier accidentally scanned an item twice and needed supervisor continue reading …