Not the real world. Just your imagination.
Corporations lie for profit. Where's the profit for Proton in keeping peoples AI queries, when they've been proven to not keep any other data? Literally they have nothing to gain, and everything to loose.
Skepticism and pessimism aren't the same thing. And baseless pessimism is just jaded. Jaded is the dark equivalent of naivety. They're both equally simplistic ignorance.