I would much rather get an ad from someone I shared my email address with than whatever random businesses decided to pay google/facebook/etc the most
I'd rather get random, un-targeted, irrelevant, and even annoying ads from companies that have no idea who I am or that they're even advertising to me.
Less creepy that way, also more likely to result in the serendipity of learning new things outside my filter bubble/what the algorithm predicts for me.
Sometimes in order to find the real signal, you have to accept that a lot of noise comes with it.
The last thing in the world I want to do is pay real money to put ads in front of someone that has no intention of buying and no interest in becoming a customer.
It's bad enough that the primary platforms are making the process more and more of a black box where they control every aspect of the marketing process.
What's no longer acceptable according to GDPR is forcing this onto people unknowingly, or by packaging it into a "take it or leave it" package of fine print.