>Please try to reconcile with what your industry has and continues to destroy.
I don't see anything contradictory between your comment and the OP. Having an amoral CEO who condones breaking geotargeting self-regulation doesn't contradict OP's claim that it's hard to tie geotargeting data in bidstreams back to a particular person.
Only one person/company has to solve any given hard problem before they can sell it to interested parties. Who might lose it in a data leak, or package it up and re-sell it, etc, etc.
Sure, hard. But, um, lots of things are hard.
For example, it was very hard for me to identify myself in an anonymized public dataset of vehicle trips, but I did. It was also hard to FOIA for the documents showing them writing SQL to spot my trip.. but I did.
Hard doesn't mean impossible.