In any case, everything depends ONLY on the organizers of the project!
It is true that most of the success of the project depends on the developers, but the market situation also contributes to the growing market is much easier to implement the project.
Its not just the developers themselves, its still a lot dependent on investments and their quantity; the more, the faster the project develops.
Of course, much depends on the financing of the project. If there is enough money, the project may contain a staff of professional programmers who will improve and develop the project.