It gave them a positive feedback loop and gave them a safe space to become more extreme and weaponize their own stupidity. You can easily see this to a lesser

It gave them a positive feedback loop and gave them a safe space to become more extreme and weaponize their own stupidity. You can easily see this to a lesser extend by going to any sports team subreddit and then going to the subreddit of the league that team plays in. The voices will be much more uniform and arguments more minor in the team subreddit for the most part... and views that are freely expressed and thought to be factual in the team subreddit may not be at all popular in the league subreddit.