It's not the future.
I know because I actively participated in Starcraft mod/map making for over a decade.
Blizzard is hoping to pull another DotA on the custom designers. That is, steal our work and try to monetize it if the opportunity arises. They wanted to generate a lot of fun custom map stuff for SC2, but with a map distribution system that's bordering on complete useless, an editor that varies from feeling like programming with a fisherprice keyboard to feeling like using a keyboard to play on a fisherprice computer (seriously, there is no cow button on my daskeyboard), and no documentation to be found anywhere.
I dare say MOAR TOOLZ isn't exactly the answer here. Back in SC1 we managed pretty well without tools. We made our own and even managed to force Blizzard to patch the game because we figured out how to create executable programs in their maps.
I still do SC1 stuff, and until Blizzard really offers something substantial for SC2 mappers (not some stupid map payment system), the majority of the most brilliant designers aren't going to be doing anything for them.