I have a feeling this will go the way of the a11y law, at least when it comes to American plugin developers. These are some big changes that need to be implemented in massive plugins in a short amount of time.

Regarding the portable/deleting data, how would that affect store metrics? Can I store that purchase amount anonymously if the customer wants to delete it? Can I store their country anonymously after they delete their account/data?

Lots of questions, especially surrounding eCommerce sites. It will be interesting to see how this progresses.