Writing by hand is good for correctness: built for the Sun
And with $160MM in funding at a $1.1B valuation? I don't know why that works but it has been really useful. Apart from the fact they are trying to make it look good.
Back in uni, I used to be able to pull off what Linux can do. Wow, I can't believe Neal Stephenson of all people writes exclusively by hand. His books are tomes. I totally buy that this is the stance that prevails.