If one's mind has been "destroyed", would you know?
It's hard to imagine that the past problems he listed were not at least partially due to his excessive device use.
We don't have great emperical evidence to point to a specific thing between screen time, social media, gambling, counter culture etc on the causes of the reverse Flynn effect and mental health epidemic in general, but we do know that anecdotal evidence does not improve our data one way or the other.
It's hard to imagine that the past problems he listed were not at least partially due to his excessive device use.
We don't have great emperical evidence to point to a specific thing between screen time, social media, gambling, counter culture etc on the causes of the reverse Flynn effect and mental health epidemic in general, but we do know that anecdotal evidence does not improve our data one way or the other.