Snail lives inside kid's knee for three weeks

I can't get over that this family seems to be happy that a snail was living inside their child for three weeks. I don't have kids. But if I did,  and a creature lived inside my child, it would literally be the thing I want people to least know about me. Like I would want anyone to know any other thing about me, but that.

And did they really put the fucking SEA snail in a bowl of FRESH WATER? GTFOH