(I booked my covid shot the minute I became eligible, and I'm happy to have a stamp in my passport saying I've had them - I'm no antivaxer, but I can easily see the government using it as a way to acquire more power)
It’s a lot easier to protest and stop a system being built that will be used for X but also allow Y, than allowing the system for X to be built and used and stop the feature switch for Y being turned on.
I would have dismissed the original comment at one point, but when you have situations like this playing out I think it is fair to give it more thought:
“Police stop people for covering their faces from facial recognition camera then fine man £90 after he protested (2019)”
https://www.independent.co.uk/news/uk/crime/facial-recogniti...