That's already an issue with most cell phones. Making this apply to prepaid phones is even worse.
Like that is Carr's FCC in a nutshell - he wants to control speech by controlling the airwaves. That is a raw fact in his behavior. But when the news stations say the thing they want them to say, what happens next other than slightly extending the definitions of public good to the internet and then restricting speech?
We have a real problem with people in government buying into the idea that it's basically a private company set up for the benefit of one man in particular.
What they'll do, what they always do, what you can see them actively doing (albeit on other policy axis) even at the local government level, is simply scrutinize these people for other laws they've broken or rules they've run afoul of and then enforce the shit out of those.
https://www.pcmag.com/news/apple-expands-this-location-focus...
A) Be tracked
B) Use a phone not connected to your identity
C) Go without a phone sometimes
The FCC's proposed change would remove one of those options.
My purchasing data is not much better, two purchases so far this year other than my three monthly bills and groceries once or twice a week where I also get cash for my other expenses. I don't do this out of concern about being tracked, just how I live my life. Sometimes I leave my phone off for a week, nothing bad happens, at least nothing that having my phone on would have prevented.