i mean would you ask for a donation back that funded the research of cancer ?
In my opinion you can't compare that with a donation (At least not with donating to a cancer study )
I mean he paid money hopeing to get a good game. And the alpha status states that there will be at least a few updates. But of course you are right with what has been said before about games in alpha status and I also think that red is doing the best he can.