I use ublock origin and privacy badger not because I am worried about privacy but because the internet is basically unusable without it. Because of this, I don't see many ads. But I have been an amazon customer since 1999 (according to what they say on their website when I'm logged in.) Looking at what they recommend for me, this personalization stuff is crap. In music, Amazon recommends bands I never listen to like…
To be fair, you sound like one of the harder people to track accurately. However, I as well have been "disappointed" by the ability of websites to judge my interests. After reading about cases such as Target, who have "spooky" ability to gauge interest, I was expecting better. So I searched for a very specific motorcycle jacket with very specific features and now my page is inundated with every clothing item that has…
But Amazon, in this case, doesn't need to track other surfing habits, just his purchase history. That history is not affected by privacy addons.