Regardless of what side you are on, take a look at how the 2000 mules video acquired the data to support their clams. With enough money, you can track anyone. The info is for sale.
Think you can block it?
I did a test on an Android phone. Installed a VPN in tunnel all mode to a firewall that blocked everything except DNS and one website. Sniffing the WiFi signal it showed google bypassing the tunnel to phone home and upload data.