Yes, definitely valuable. On the other hand, people are demonstrably less generous in their assumptions about other people's motivations and more likely to objectify them in the classic sense if they have not and will almost certainly never encounter them in real life.

Double edged sword to be sure. It's great that people get access to better information, but we need to evolve as a species in order to handle bubbles this big.

A much larger number of much smaller bubbles whose edges didn’t touch each other.

Now we have a few large bubbles who insist that the smaller bubbles become part of them or else...

Yes, the Internet makes the antagonistic bubbles larger, and more angry?, I was just going to write

I think you're missing something about the idea of a bubble. I live around people with many different beliefs, but I am fairly socially isolated from them, meanwhile my information diet consists of a fairly narrow set of ideas and viewpoints. The size of your bubble isn't directly determined by the number of people in it, it's the number of viewpoints, ideas, perspectives, life experiences, etc. you are exposed to.