[uph]

Location tracking is possible without GPS module https://en.wikipedia.org/wiki/Mobile_phone_tracking

What's your threat model? https://ssd.eff.org/en/module/introduction-threat-modeling

For most people mass surveillance is a more realistic threat than the NSA hacking their camera.

[jacquesm]

Corporations merging their databases. This is happening in real time, right now.

I don't have any illusions about being able to stay private from the eyes of nation state level adversaries but commercial entities can still be kept out if you try.