Yes, but how do you get that library, tooling, documentation, initial community? Here, Google, Sun, Microsoft, Apple, Facebook(?), Mozilla have huge advantages,

Yes, but how do you get that library, tooling, documentation, initial community? Here, Google, Sun, Microsoft, Apple, Facebook(?), Mozilla have huge advantages, but for the individual, let's hope there's something more intrinsic than promotion ability! Syntax plays some role at that early stage, of attracting that initial community.