These are not my kids, and I don't know them all that well. But it doesn't sit right with me, and as a mandatory reporter, I told my superior... it was told to me at work and I have an obligation.
I told my superior, and there are other things with these kids too that have caused concern, so I have done my part.
ETA: people used to do it all the time, yes. There is plenty of other stuff people used to do all the time, that is not okay now too though.