I love working with Radiant CMS and the community and available extensions are growing by the day. New and enthusiastic people come to the project and are won over. There are a lot of great ideas out there about what it could and what it should become.
Like any project ideas are all over the place, but the actual workers might be hard to find. John Long recently called out for people to get more involved and help out if you love it or even if you hate it but want it to be better.
My favorite image to illustrate the way that Radiant is developed is this one. Radiant developers are weekend warriors (and are apparently really busy doing other things on Thursdays).
If you want things to get better, or to change in any way, blog about it, find bugs and request features, and best of all, vote with your code.