I agree these claims are a little crazy, but not actually that crazy. Did a little digging and

that the most redditors were in the town where Eglin Air Force base is located

• Reddit claims this themself (now deleted): https://web.archive.org/web/20160604042751/http://www.redditblog.com/2013/05/get-ready-for-global-reddit-meetup-day.html
• Airforce study on social media manipulation: https://arxiv.org/pdf/1402.5644

Ghislaine Maxwell

• https://www.reddit.com/r/conspiracy/comments/r45a5n/here_is_the_evidence_that_reddit_user_maxwellhill/

their CEO made their career in the CIA before coming over to Reddit

No fucking clue on this one