We've all done this, right?

Here's another "moment of zen" post before I pick a real model for today (I'll probably post one tonight). Spotted at the increasingly silly There I Fixed It: We've all done this, right? I mean, yes, you should absolutely use sturdier parts than those, particularly if you want to hold books, but still - we've all built fresh shelves. Right? Right? At least, that's where my QUATRO bricks have been going lately...