Roald Dahl warned parents about kids and screen time in the cleverest possible way in Charlie and the Chocolate factory via one of the Oompa-Loompas’ poems. The poem got watered down in the movie, but you can find the full original under a search for “Television by Roald Dahl”.
https://nostr.build/av/64522455b199f79a68edd94733214fb1377f8c137e9c90b47e9856be48f4f39f.mp4