nonsense.

well - yeah, "location off" isn't enough - you also need:

then you won't be triangulated from cell towers.

it's best not to use a sim in your phone at all (just wifi over a vpn travel router)

This link was posted by gjsman-1000 1 hour ago on HN. It received 97 points and 84 comments.

I don't find this article very helpful. As others say privacy isn't a boolean. It is a spectrum. Glad they mentioned faraday bags. The location off switch isn't a lie. It however is misleading. With your phone radios on your location is known by the phone company. The only way to avoid this is to disable the radio. If you don't trust the OS, IE you aren't running Graphene or CalyxOS or even if you are and your life depends on secrecy then don't have a phone or use a faraday bag. Depends on your threat model for sure.

Although true, privacy is a spectrum.

This article is on the paranoid side, whereas most people would take a photo and upload it to social media while tagging manually everyone in there, and selecting where they are.

The personal level of privacy you want to be in is probably somewhere in between those two, and I reckon GrapheneOS gives a pretty solid alternative to mainstream mobile OSs.