I'm sure good subreddits still exists, but it has gone way past eternal September at this point and Gresham's law is in full effect. Once an organization reache

I'm sure good subreddits still exists, but it has gone way past eternal September at this point and Gresham's law is in full effect. Once an organization reaches a certain size, vested interests on all sides have perverse incentives, and it starts a terminal slide to the lowest common denominator. I suspect the issue is largely in the inherent zero marginal cost to entry for most social media platforms.