I have to say this tells us more about you than it says about Google. I never see such recommendations. The theories that I would look into if this were happening to me, which I reiterate it certainly is not, would be in the following order: perhaps you've installed an extension that is inserting content into your life; you are using anonymization techniques that mix your identity with that of other people who are interested in such content; you share a household with such people; you watch content that you do not realize is associated with right-wing content.
I don't understand the goal of your post. What is the solution you're proposing for those things? That they don't use anonymization techniques? They kick out the other people from their home?
The OP is saying they don't watch that kind of content and they mark the videos as "not interested" and Youtube is still pushing the content. The onus is on Youtube to stop. Presumably OP is logged in, or if they're not, then Youtube still uses browser fingerprinting techniques. It seems simple on Youtube's side to fix the problem. Blaming the OP here doesn't make sense.
It's not at all clear that the OP is logged in, or that YouTube is doing anything at all. This is HN, where it passes for rational thought that everyone installs rootkit "privacy" extensions in their browser and uses a VPN of no reputable provenance.
The goal of my post is to communicate that this does not resemble the mainstream experience of using YouTube.
