It's in alpha for a reason for him and other developers to make changes too the game and get player feedback if Rocket released alpha without bugs then what would be the point of the releasing it as he said if he did everything people wanted too and fixed every bug the alpha would not been released until back end of next year. What you have to take into account is that the whole developer team has had to completely re-gut the engine they are using and make changes so that the things they want to make possible can be.Remember this alpha build is one which can only just be played the content promised by the content developers and lead developer sounds promising and they have some great ideas and i have faith in rocket as a developer to put them into action.