This seems like such a losing battle. Payments on public transit could become anonymous, but the video feeds would still be recorded, and facial recognition could be easily performed. The cat is out of the bag. Information technology makes this data accumulation inevitable. Likely even for those who walk around with a face covering all day, pay only cash, and don't use smartphones. By doing those things you actually…
They're not wrong, of course. And your comment is very similar: the problem isn't the technology, it's the impetus of society that needs to change.