I don't agree with what they had the children do or wear on the show but your blanket statement above is ridiculous.
My son did some acting and voice-over work when he was a child and has grown up to be a well-adjusted, happy, productive young man.
Parents just have to keep watch over their kids. There are kids going to public school who are more at risk then most kids who do work in the entertainment field. Not all kids are like Lindsey Lohan.
Pedophilia is the #1 problem in Hollywood.
Things have changed since then.