Not by colloquial usage of the term, which is often (and in this case) limited to the subset of larger global human-content firehoses where the problems inherent to that dynamic become more dramatic, e.g. Twitter, Facebook, shorts feeds, things like Instagram and Reddit maybe, etc.
HN is just as much an echo chamber as any facebook group or subreddit. You are making a mistake if you think you are immune from groupthink and herd mentality by limiting your online discourse to this platform only.
