Edward Snowden remarked:

Arguing that you don't care about the right to privacy because you have nothing to hide is no different than saying you don't care about free speech because you have nothing to say.

There is a wikipedia article regarding this argument

So any instance admin can analyze all users upvotes/downvotes and possibly derive political standpoints, likes/dislikes, opinions and local data from it

I recommend Okular

Unfortunatly, this will not be the case on iOS as Apple doesn't allow third-party browser engines and stores

This is a professional debug techique, what are you talking about? But I rather use 'Hii' with various (but not ascending) amounts of i's.

When starting Firefox with the command line, you can specify the profile you want to open with -P

So firefox -P "Joel User" starts the profile 'Joel User'.

Further reading

I also used iPhones for a long time until I had to switch to a temporary phone due to age-related hardware malfunction. Out of curiosity, I tried /e/ OS and was very pleasantly surprised.

The temporary phone is now in use for at least a year and I also get to enjoy other extraordinary features like USB-C and a headphone-jack. In the future, I may also give LineageOS a try.

The OS includes microG which has a SafetyNet implementation

Yes, they do

yes, the apps are mediocre, but there are alternatives. (Also, its the only ROM with official support for my device)

You did great by trying! Have you ever tried different ROMs? I for my part am very happy with /e/ OS.

I agree, someone has to store and maintain your data, but giving all instances access to it is a risk that could be avoided

1. Sorry, I had issues with my client
2. Still, Windows benefits from Linux more than ever

There could be a second Einstein out there, but we'd never know, because she was unable to go to school.

When taking into account, how much of Windows has become Linux, the percentage should be much higher.

Because generative Neural Networks always have some random noise. Read more about it here