[LaGrange]

> It can be reusable and yet unique on each page. And those should get id's, and are not rare at all.

I _think_ what's going on here is that, in the, excuse my French, _enterprise_ sector it's very common to have some sort of an end-user configurable, enormous form (or dashboard or whatever) full of widgets that are not in any way unique. In fact in many places it's so common, that for a certain section of developers it might be hard to imagine that the opposite is actually quite common.

This is _a lot_ of "web" development. Often done by developers who, to be honest, would rather be doing this in QT (eww) or something.