There is so much instant dismissal of this entire idea that smartphones are harmful in this thread, most of which is just "correlation is not causation". Yes, correlation does not equal causation. But when it makes logical sense why there would be correlation, there is no way to actually measure causation (we can't exactly give kids placebo phones), we keep seeing the same correlation over and over again, why is it b…
The point is to be direct with that criticism.
How else can we possibly change anything?