And I think that's a perfectly okay choice to make. I don't know why I shouldn't pay with my information, given that I'm aware of it. I'm fine with having an android phone and using the few hundred bucks I save on something else.
My information has some value, and by trading that information to a company that provides me with a service I get something out of it. If I keep data private that I don't mind sharing and instead would say, pay with cash, I'd lose out on getting some value out of my data.
Now I think there is an interesting discussion to be had if users could organise to leverage the value they get out of their data, people have talked about a sort of 'data union' to collectively bargain for a higher return, but in principle I don't mind using my data as a currency.
(I still have to read her book.)
They pay with their privacy, but the payment is not at all transparent. In a way, it already happened: if you upgraded to Windows 10 for free back in the days (before GDPR), you paid with your privacy. If you use Android instead of iOS, you have a cheaper device, but you pay with your privacy. The Apple tax is high in a lot of countries. Too high for the masses. In essence, an iOS device is a status symbol that you paid with money instead of your privacy.