Yeah - that's a pretty hard case to argue. I can imagine content-controlling situations where you might think of that as a feature, but there are other situations (most use cases, IMHO) where text selection is an expected paradigm.

EDIT: that said, I do think this is a neat and worthy project.

Prevented coypasta without links. Of course you are more likely to get no links at all since most people like to quote one paragraph and link. Which might be why he isn't actually using it on his page. Though now that he's drawn attention to it, his headings do look ugly.