took a deep dive into how CEO Steve Huffman went from being Reddit’s co-founder to its much-needed savior at a difficult moment—and how he then became the villain at the center of Reddit’s still-raging protests: https://slate.com/technology/2023/06/reddit-protests-steve-huffman-api-chaos.html
Lemmy, kbin, and Mastodon are all different ways to view content posted to “the fediverse” which is basically a bunch of different small servers communicating with each other. They’re basically different ways to do view and interact with the same posts, kinda like how you use different services (gmail, etc) for email, and then access that still with different software (browsers, or thunderbird, or what have you). For instance, right now I’m responding to your comment from kbin on my desktop browser.