An analysis of millions of posts on Reddit found that people who joined groups related to conspiracy theories were more likely to have faced actions from moderators in more mainstream groups beforehand
Source:
https://www.newscientist.com/article/mg24933193-300-how-social-media-can-nudge-people-into-becoming-conspiracy-theorists/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home