Its a great language and easy to learn and use, but it might greatly limit their business relative to AWS.

I polled HN about a month ago to see what percentages of HN readers used what languages for web development, and while Python was the most common, its still only used by 22% of those polled. Take this data with a grain of salt, but still an interesting statistic:

http://spreadsheets.google.com/pub?key=pxT7jIffmj3lGdXFcn9hK...