And I don't really believe them. Are they claiming to identify every site using tailwind-compatible utility classes, and within that set, they all look similar?

And I don't really believe them. Are they claiming to identify every site using tailwind-compatible utility classes, and within that set, they all look similar? I think what they're actually experiencing is that they can instantly tell a default Tailwind site with reused components, which is not much of a claim at all.