Phones are the only popular end user device that has any sort of protection worth its salt. Against who? Against easily downloadable malware that can trivially execute as the user, effectively doing anything beside installing a video card driver. Can trivially log key presses, read any screen, download/upload to the internet, read your .ssh folder, browser cache, or encrypt your family photos without a second thought.
Mac is a bit ahead of the other two, but gnu/linux (as opposed to “android linux”) is just insanely unsecure.
> but gnu/linux (as opposed to “android linux”) is just insanely unsecure.
This isn't a property of GNU/Linux. It is very possible to have a highly secure Linux setup. That's not the way most distros operate, though, because highly secure setups tend to be user-hostile (which is the essential conundrum being talked about here, really).
Mac is a bit ahead of the other two, but gnu/linux (as opposed to “android linux”) is just insanely unsecure.