This article feels like it's written by AI. And from what it sounds like the switch just enables Airplane Mode.

I used to own (well, technicall I still own) a Jolla Phone when it was released in 2014 and what was way more beneficial towards my privacy as a user, was the fact that it was a full fledged linux phone where I could have potentially installed any piece of software I would have wanted, with full root access in a custom linux terminal with bash. I think I once tried to run a Minecraft Server on it.

I was hoping that they'd port aircrack-ng to it, like it was possible with the Nokia N900, but sadly that never happened.