Not prevent, just not provide very responsive feedback, right?

I don't know, I understand the principle, but I don't see how you can determine the value of a principle outside of a specific context.

Even for accessibility, we can't target every context in the name of being accessible. We still have to pick which contexts of inaccessibility we'll need to support with more attention.

Maybe I misread the article, but I think the Nothing photos app is literally ignoring the second tap, not just failing to provide feedback