How would this be private? Wouldn’t they be using other providers cell network? I doubt they have put out enough or their own towers.
Also how do I pay for it they never now my name or address to I have to put cash in an envelope and drop it somewhere? Ah they don’t store the data on your payment but Stripe does.
So lots of this can be bullshit since they can claim we don’t collect data but they would be an MVNO but whichever network you are using does.

It’s not spyware anymore. It’s stored on device so Google does not have access to it. It was a big issue when they did this as people could not longer log into the website and view their history. Right now there is no way to back it up so if you loose your phone you loose your history.
Reading these comments first nobody knows Google moved it locally.
Have you not been seeing it is in some cases. And companies are going back to on orem because it’s cheaper.