I am sure there are some really serious problems here that need to be fixed. But the best thing, in fact the only thing, you can do to get your money back or get promises fulfilled is to help the project succeed.
Hating and flaming and being disrespectful will hurt the project and discourage developers. Encouraging and supporting and being respectful will help the project, and will ultimately lead to you getting what you want. As simple as that. Be aware of the effects of your actions, and act accordingly.
See what I mean? WHAT ARE YOU TRYING TO ACCOMPLISH WITH SHIT LIKE THIS?!

As long as you have nothing productive to contribute, please do this thread a favor and keep your mouth shut.