Sounds nice but...
The core group here is for now made up of bitcoin plebs. Bitcoin plebs have jobs and their transactions privacy to protect. Even bitcoin developers should protect their privacy as past law actions have showed.
Some people have lots of things to loose by going public. + most people don't live in democracies, that becomes dangerous when exposing yourself...
Tbo, I think most accounts I follow are probably public... not sure but probably more than half.