The author asserts cellphones are harmful but doesn't give any compelling evidence. A woman crashed her car while on her cellphone? Apps depress you? Noise poll

The author asserts cellphones are harmful but doesn't give any compelling evidence. A woman crashed her car while on her cellphone? Apps depress you? Noise pollution from ringtones? Brightness hurts our eyes? These reasons seem spurious when you consider all the other items one can own which are not cellphones but which have these same qualities.