It’s alive and well. My independent research shows that torrents of users are using it for large foss packages, as well as various media.
This duck in a hoodie shows how both technologies can function together. https://hackyourmom.com/en/pryvatnist/bittorrent-cherez-i2p-dlya-anonimnogo-obminu-fajlamy/
I have heard it repeated several times. It’s based on how virtual assistants are allowed to listen over your mic for keywords, applications like Facebook requesting full microphone access, and people with stories of getting ads for things after having a conversation about the same.
The third could be a form of recency bias; I just learned about this, and now I see it everywhere. Also, it’s easy to know who is in your circle, and items you recently searched could be advertised to your friends. I saw this by getting sudden ads for handguns after getting an Amazon link from my gun crazy friend.