UI designers (or especially the ones that have blogs) seem highly susceptible to 2 common afflictions, which affect many people when they live for too long in their art: -- Believing that fonts and lines can solve major world problems -- Believing that anything they touch must've needed solving I find it rare that a UI designer will say "that version of it is fine, and better than the additional complications I would…
[Edit: on closer inspection, it looks like the video monitor is photoshopped in, but the paper map is real. I like the idea of seeing how well a product works in an actual environment and getting real feedback.]
I find your comment to be overly cynical. The map designer never said his map can "solve world problems", and it is clear to me that Berlin's map is far from ideal. He had an idea and wanted to try it out, and now he wants to know what people think. Is there something wrong with that? Drawing unoffical transit maps is a common practice, and there's absolutely nothing wrong with it.