A big problem is that once being a bulk attention merchant isn't appealing, they'll double-down on finding ways to creepily invade your privacy, profile you, and resell that profile to companies you'd rather didn't have your information.
We need a browser that is more private than what we have today. Something to hide the IP and separate online identities on various sites, and monitor the data being sent out not to contain your personal information, even if it was sent by your own mistake (like, referencing your secret reddit account on your public name email).
Privacy has similarities to hygiene. We have learned, through a lot of suffering, the importance of hygiene in daily life, we need to learn a new kind of hygiene now, but people can't do that unaided.
I'd go a step further and state unequivocably that privacy is hygiene.
Hygiene is about preserving the health of a system, and violating principles of privacy endanger the health of social intercourse.
This is part of a large set of dynamics associated with technology in that there are systemic side-effects of any number of technologies which affect overall systemic health. The emergence of and/or management of these is itself a major mode of technological mechanisms.