Make storing personal data which is not essential to normal operation illegal.
It really is that simple.
It really is that simple.
In theory infinite regulations would suggest that no one would be permitted to do anything eventually. However, before we reach that point, the cost of compliance will be so high that publishing websites will become untenable.
An equilibrium of regulatory capture favoring large publishers will likely emerge before this point. Those large interests will have the resources to influence regulatory outcomes. Their incentives will include maintaining a sufficiently high barrier to entry while optimizing their own compliance costs.