It was just a throw away joke in the article, but every once in a while I think "boy I wish I could have the linux kernel with the openbsd userland" (not often, usually when I want to play a game). Not that the obsd userland is all that great but it is a lot simpler than the linux equivalent. There was a project to do the opposite, the freebsd kernel with a gnu userland(shudders, yuk, what an abomination). But that is not what I want at all. And deep in my heart I know even if you put the hard work to make the obsd userland work with a linux kernel, it would probably be a bit of a shitshow, just too many assumptions broken, the subtle cohesion that I enjoy would be gone.