I don't know if you're spreading needed awareness of the lengths and conviction required, or if you're fear mongering.

Your own link goes over why that approach is full of failings that prevent it from being an effective blanket control tool. A hardware backdoor is not the end all, be all. There's mitigation and even effective action possible to ensure usability even on a device known to be compromised.

Then there's the powered off Bluetooth beacons thing. Yes, trying to start the revolution with comms infrastructure reliant on off the shelf capitalist bounty is moronic, and it's doubly so to attempt to operate it in an improper manner.

That does not make the enemy any more overwhelmingly strong than it makes the hypothetical freedom fighter overwhelmingly weak.

Here's an easy protip for both concerns by the way: Get in on the old tech renaissance and get good at Tony Starking up your specific scraps up to a minimum level of interface capability with a modern stack that ain't up yet but will. That will be the surface that the nerd brigades will need those who can connect to it on, to push back.

They can't supply chain attack backwards through time, there's too many garage sales to infiltrate and an early 00s flip-phone Frankensteined onto a cyber deck made of solder, glue, and spite doesn't BT Beacon Snitch.