Re: Fork it for better reasons than this
I dunno if that's entirely true.
They just recently came out with a massively different release with a shitload of additional functionality.
IIRC they are also planning a Blender-style GUI revamp.
Like a lot of free software projects, there are an awful lot more complainers than there are programmers willing to put some effort into the improvement of it. Developing a system like GIMP or Blender takes a huge amount of time and sacrifice.