I forsee, and hope for, some pushback against the increasingly egregious abuse of our info in the name of selling us ever more crap. I'm quite glad I've joined little online up to my real name, though google have probably figured too much out.
In the distant past an unethical person running a store could do those types of things to people from a family that was usually picked on in a small town or to people whose ethnicity or race meant that they wouldn't be believed if they reported that a store was acting in bad faith or not honoring their terms.
I agree with you that it is a terrible thing to do, though I think it is more of a return to the old normal compared to recent past, rather than something entirely new.
This is the Unfriendly AI that people like MIRI should be worried about.
A far better solution would be to have a 900 number for the wealthier customers to call where you charge them a premium for faster service.
They'll self sort and you don't have to do anything.