I hang out on Reddit, and I sometimes come across surprisingly insightful commentary on technical subjects that I don't see on StackOverflow or Quora or even HN

I hang out on Reddit, and I sometimes come across surprisingly insightful commentary on technical subjects that I don't see on StackOverflow or Quora or even HN. The experts are there. That said, Reddit does skew heavily to mediocre "bros", so the signal-to-noise ratio is low [1]. But for discussions on cities, neighborhoods and even certain technical topics, Reddit seems to be where knowledgeable people congregate. [1] Some subreddits like r/bigdata are complete garbage filled with spammers and Dunning-Krugers.