>>20
I doubt it. Also the "old internet" was not that much better where pseudonymous text posting is concerned; Usenet groups and BBS were flooded with autistic trolls who had nothing else to do than obsessively post there and cultivating their online "personas" as happens everywhere where anon posting is not encouraged. Not that different from reddit.
It is true that there was very weak connection between online and offline world, tha facebooks and instagrams and associated lifestyles are completely new. Horse is out of the barn tho, I can't imagine so many people would discard their entire "life"styles now.