Canada's Public Health Agency confidentially tracked 33M mobile devices

It was obviously all tokenized. Not sure if there was any restrictions on who could buy it, but use cases were mostly about knowing how many people were in a certain area (e.g. an outdoor space) and how long they stayed there (e.g. to properly price the cost of billboards).

It's pretty common, afaik, to measure how many pairs of eyes can potential see adverts.

Coles Notes version: Unless someone can point out a specific abuse, given the current State of Emergency declared in Parliament, the government could just make a semi-coherent argument and a judge would let the people decide in the next election.

But understand, that's a gross oversimplification where I didn't show my work and jumped to the conclusion. Explaining in detail, while explaining the differences between our legal systems would be far too much effort.