But still he deserve some recognition, afterall he is the first bringing AI to the masses with Alfa, and helped some million researcher's life with Mathematica. And, 10 years after NKS, these are somehow good results -> http://blog.stephenwolfram.com/2012/05/its-been-10-years-wha... ...
You can judge people from many different perspectives, but when it comes to "getting things done", you should step back and congratulate him. again, IMHO