What echo chamber? 33,000+ npubs can currently openly interact through my Nostur WoT, which is up by 2000 since a few weeks ago as my follows and their follows increase, and I can easily see any of the others outside it as I choose. “As I choose” is the key here.  

 Imagine having to follow someone so they have a voice on a social network 

 

 You can toggle it on and off