The best solution right now may be “buy a Macbook and learn MacOS”, which is so depressing.
Depends on whether you include “my personal data is sent to the manufacturer of the computer against my wishes” in your threat model… Apple does many good things for security, and I wish PC hardware makers would take security-related things even just nearly as seriously as them. But I can’t trust Apple anymore either.
(Explanation: the whole iCloud syncing stuff is such a buggy mess. I don’t want it, I don’t need it, so I want it off. But I guess Apple just doesn’t test enough how well it works when you turn it off, maybe they can’t imagine someone not wanting it. The problem is, iCloud sync settings don’t stay off. Settings randomly turn themselves back on, e.g. during OS updates, and upload data before you even notice it. I’m not claiming that’s intentional, I assume it’s just bugs. But I’ve observed such bugs again and again in the past 9 years, and I’ve had enough. Still have a Macbook around, but I use it very rarely these days, only when I need some piece of software on MacOS that has no suitable Linux equivalent.)
While a PC+Linux setup can avoid the specific issue of “don’t randomly upload my data somewhere”, the setup of it all can be a mess, as you say. And then security is still limited by buggy hardware and BIOS/firmware that is frequently full of security holes. The state of computers is depressing indeed (in so many ways, security just being one of them)…
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