Open source software needs to find a way to fund designers. There's not nearly as many "hobbyist UX designers" as there are programmers, unfortunately.
There are a lot of hobbyist UX designers out there, judging by the amount of unsolicited redesigns and blogs about what could have been if...
The problem is that when you do something as a hobby, you usually want full control. This puts the developer/designer duo at odds. I think this is why we have many non-functional pretty designs and functional ugly applications/sites.
