@hehemrin That's interesting as an example of what they can do.
I think the most important thing, however, is not what they currently do but the fact that they *can* do things like that, and they can also do much worse.
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@hehemrin The Proton text mentions something about 2017 when Apple was less aggressive with advertising. But as I see it, the fundamental problem was the same then as it is now: the fact that Apple has power over people through the closed-source software that Apple controls.
Even if there is a company that you think seems trustworthy, it is still a bad idea to let that company "own" you through closed software. You never know what they will do with that power later on.
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@hehemrin Also, even if the company really was trustworthy at some point, it can always happen that there is a change in ownership of that company. There is also the possibility that some government agency will force the company to do things against you, like China forced Apple in that example that The Guardian wrote about. That can happen in other countries as well, and users of closed-source software (with silent auto-updates) will not be able to know what is done against them.