This is what I was saying here, speaking of pinpointed, personalized advertisements:
https://news.ycombinator.com/item?id=44318773
"What to do with this massive infrastructure and billions of dollars of investment and workers employed by this global machine?"
... and that is where gambling and vaping (and ED pills and hair thinning medication) come in.
I'm skeptical that the (personalized, aggregated data, pinpointed advertising machine) works for things of value and substance that require thought and nuance to purchase.
As a consumer of online advertising for over 25 years, I have found much of it to be a grift.
But if I were selling nicotine pouches ... or weightloss aids ... or access to gambling ...
I'll bet it finally delivers as promised.