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YouTube Video Recommendations Lead to More Extremist Content for Right-Leaning Users, Researchers Suggest
(lettersandscience.ucdavis.edu)
This is a most excellent place for technology news and articles.
It is entirely possible that YouTube's algorithm doesn't see you as someone interested in right-wing rhetoric (or perhaps you may have also downvoted such videos).
They explain how it works here (without technical details): https://blog.youtube/inside-youtube/on-youtubes-recommendation-system/