Why Reddit is so left leaning?

This article might explain why everyone on Reddit seems to be so far left. It doesn't make sense because it's much more divided on every other social media platform except reddit.

https://thefederalist.com/2024/10/29/busted-the-inside-story-of-how-the-kamala-harris-campaign-manipulates-reddit-and-breaks-the-rules-to-control-the-platform/