One reason, Alpha isn't the up to date game. It was already behind Beta before Alpha even started, and they have already stated it is incomplete and unpolished. Exactly what use is your critique when you have no clue if it is even a part of the current build? Saying "it's only Alpha" isn't a good excuse . . . for the developers. But we have no clue what the current look, systems, or content actual are in Beta.