First Communion Follies

My pastor talked me into teaching a First Communion class this year, so I've been checking out videos of First Communions folks have posted on YouTube. After viewing several of them, though, I have just one question:

What the blankety-blank is up in some parishes with having the kids stand in the sanctuary and sing ditties and do sign language?

Witness the following example (starting at around 0:45 or so):



Or this one (complete with what sounds like recorded music, prohibited by the rubrics):



It's bad enough when sacro-pop shows up at Mass, but when it involves first communicants, I believe it's an absolute scandal.