Mobile carrier apps rife with trackers

Jonathan Lamont for MobileSyrup:

Within a few hours of downloading the My Telus app, I noticed that DuckDuckGo’s App Tracking Protection had blocked almost 1,400 tracking attempts using known third-party trackers from Google, Facebook and Adobe.

Why is it so difficult for phone companies to treat paying customers like people instead of sponges to endlessly wring personal data out of?