The only thing in that article which isn't just more hype is from Vlad:
Theres still technical problems. It doesnt scale. Its not efficient. Its not secure. It sucks, basically. Its shitty technology, says Vlad Zamfir, a developer that Buterin has hired to conceptualize the next iteration of the Ethereum software.
So what he can add 3 digit numbers in his head. I can do that too (I split the numbers in powers-of-10). How about multiplying them in your head, which I can also do but not
as fast this 5 year old although I didn't practice.
Vitalik is math smart. But there are many, many people who are math smart and very few of them produce $billion successful enterprises. The jury is still out on whether Ethereum will amount to
anything more than hype.
http://www.telegraph.co.uk/news/science/11232300/Why-do-geniuses-lack-common-sense.html