I like plants. But I don't get ads for plants, instead I get ads for stupid plant-related gizmos. Why? Because the plant "market" is not online, and is much less lucrative than the gizmo market. There's no amount of tracking that can fix mismatches between commercial and human interests. Or to put it another way: the best things in life are free, ad space is not.

What I'm describing is the best targeting that a massive dedication of the top engineering talent in the planet is capable of. Perhaps if we gave them even more personal information, like a list of all my purchases, they would know not to sell me the toaster I already bought. That doesn't mean there's a market for "good" ads that could reach me instead.

Previously I used video games as an example. Let's choose something more mundane. If I have a pet cat, I still don't want to read ads about cat food. I don't want ads about litter. I don't want ads about stupid cat toys. Or pet cameras. Or pet photos. Or pet grooming services. Or more cats. I don't want your fucking ads at all. Your targeting isn't wrong, but that doesn't make it pleasant. Everyone needs toilet paper. I don't want toilet paper ads.

And then on top of all that, cat product companies get outbid by some sketchy financial company trying to get me to refinance a mortgage because the margin on that is way higher.