In fact, absolutely no one can calculate everything, no matter how hard they tried. Therefore, it is not worth talking about any mistakes, you would not do better in their place
The more the team works on the project, the better the finished product goes. In the meantime, it seems interesting, but half-ready
Inaccuracies in matters of legality - this does not mean that the project is not ready. To represent the legality of the platform, you need a good team of lawyers