I've had zero profit from user data so far - to the contrary. If everyone could be billed just with some cryptocurrency, totally anonymous, that would be great.
From the other end of the spectrum, I know you're wildly exaggerating the difficulty of compliance.
You are not my customer, but even if you were, keep in mind that for every piece of regulation (and there's tons of it!) I need to fulfill, I have to pay, which means you need to pay. I need to set prices to keep my bottom line. If I can't keep my bottom line, I'll eventually stop providing the service, because I'm not providing it for fun. That's for paid services.
Now, some companies don't even charge you, they provide (aggregate) data about you to advertisers, who are then willing to pay more for their ads. It only makes sense, how much would you pay for an ad for a piece of specialized software that gets shown to the wrong audience 99.99% of the time? What's going to happen if that kind of data usage becomes infeasible? Those companies need to start charging, or go out of business. There will be less free services. I suppose that helps companies who do charge, but it hurts people who can't pay and don't care about data collection.
I'm not providing such a service, but if I was, you would be paying me with your "privacy". If "respecting your privacy" means you don't want to pay, you can get lost, because you're only costing money. The definition of "customer" is that you compensate the other side.
I recently learned about the AU warranty rules, which are very consumer-friendly — and which a commenter pointed out might be the reason that Apple and others charge significantly more when selling products in AU.
Note: I'm not saying anyone should raise prices as a result of GDPR, just wondering if anyone has done so.