The good news is that you don't need that big of a community for a language to do well. It does, of course, need to be big enough, but you don't need to compete too hard with the big corporation-backed languages to have your language community grow enough that it can sustain itself.

Of course, I guess I don't have any real data on it, so this is just my intuition based on observing various languages. So, you know, just my 2 cents.