http://news.ycombinator.com/item?id=2815112
http://news.ycombinator.com/item?id=2816073
http://news.ycombinator.com/item?id=2816862
http://news.ycombinator.com/item?id=2839868
It's not highly regarded.
Just for fun, here's an alternative chart. It doesn't show language evolution, but it's a fun take on motivation - every language tries to fix something:
http://news.ycombinator.com/item?id=2816526