alt Hacker News> because it’s the same process of intermediaries accumulating, inferring and sharing data to each other
Except that YouTube doesn't need any of that to recommend Minecraft videos to you. One mundane explanation that seems more likely is that it's the type of content that on average works best on people they don't yet have information on.
Reminds me a little of these "phones listen to everything we say, otherwise I wouldn't have been shown this ad" anecdotes that don't hold up against empiric evidence.
You saw the LG TV exposé? They do speech transcription on the TV and so have available for upload the logs for audio even when the TV is off.
Microsoft would definitely sell data on which IPs have Minecraft users, as would your DNS provider, cloudflare, or your ISP.
It could also be coincidence, though my experience is YouTube's suggestion algo is very tightly tracked to use data. (What I was fed on a guest account recently was a mix of fascist propaganda and AI nonsense masquerading as reportage.