Why are people so rude about Steiners?
One of my friends is an Anthroposophist (Steiner) and it is not a big massive deal, just a way of life, a different life philosophy.
FWIW, I limit my kids' "screen time" as otherwise they would not come off the blasted things all weekend.
They are on it for hours anyway, but enough is enough.
In my view screens and computer games are fine, but like everything, too much is not good for anyone.
Same way that I limit sugar (without banning it)
A bit of moderation, coupled with a bit of open mindedness about other people's parenting, how about that?