That was a terrible experience, and I am sorry it happened to you. It is happening here as well, teenage and juvenile crime has skyrocketed here recently (13 and 14 year old stealing cars and writing them off, burglaries are rampant, all by underage kids.
Recently, on the news, it was reported that there is a move in one city that seniors should have designated shopping hours in supermarkets, because younger shoppers felt they are taking up space and making shopping harder by going slow in the aisles and spending time talking to each other. I think that disgusting and disrespectful.