Yet again, the difference between conspiracy theory and reality is 6-12 months.
- If it's not FOSS it's spyware
- If it's got a camera it's probably going to a datacenter to run facial recognition and/or ALPR or similar
- If it requires a login they are modeling your behavior
Don't drive
Don't carry a cell phone (if you're worried about emergencies, HAM licenses and 2M radios are cheap.)
Don't use non-free software
Don't use hosted centralized technology from Facebook and Google or similar.
I might nominate Conspiracy-washing, or maybe conspiracy-flooding, drowning out the rational voices.