I blame computer games.
I blame parents that allow the kids to play computer games non stop
You can either sit there pressing buttons so a fella runs around a pitch, or you can go out and run around the pitch. Most kids would chose to stare at a screen unless they are encouraged out, get them out and hurl/play football, cycle or do anything at all with them as long as it is outdoors and involves moving
Have you noticed the amount of motorised things kids are using now FFS, every teenage kid has a motorised scooter or bike