I searched online for how to disable it, and found this question:
https://carkiller.com/scottykilmer/qa/how-to-permanently-dis...
These responses are typical:
"But you're still going to be traceable by your phone."
"...everyone, EVERYONE, on the planet has their information out there. There is no such thing as "off the grid." "
"your phone has sent more than enough info about you to every advertiser on Earth mord than the DCM will ever do."
Many people just don't care....