Whether or not there is a warrant is tangential to my argument. There used to be hard physical limits to the amount of surveillance that could be done. Now, the only limits are legal limits. Those legal limits were never designed to be the only limit, and are insufficient in their current form.

Cops were doing that without a warrant in the past. In 2012 it was ruled illegal by the courts. Here's a wired article. https://www.wired.com/story/man-charged-with-theft-for-remov...

And now they don’t have to because you carry your own gps tracker with you and Google will sing easily.

Your telco is way more eager to sell your information.

You'd be wrong in the USA. Anybody who parks in any public space or outdoors can have a unit placed on their vehicle by anybody.

It's still illegal. I could go around keying people's car for potentially a lifetime without getting caught but it's still illegal and that's what we were talking about in the thread.

Legally?

It doesn't matter. If they do it illegally, you won't find out unless you find it on your car.