RE I don't think that's really a fair statement. and
But if you get 500,000,000 people in the same place, you discover that a lot of those folks DO have interesting things to say.

It wasn't meant to be fair; it was a personal assessment.
Somehow, scanning through the musings of 500M individuals to find the pearls of wisdom that might lurk there is a tad daunting and not how I'd like to spend even a millisecond of my time. (But that's just me.)
Quite frankly, I much rather watch, for example, the ants on my rose bushes tend their herd of aphids. (But that's just me.)