You might like his other post "Work for us 'Til You Drop": http://37signals.com/svn/posts/3389-your-lifersquos-work

Google "never outsource your core competency".

How many of those employees are in fact biorobots?

Because if you put several thousand engineers on the project they got to do something great, isn't?

How do you expect DOM to be accessed from C++? Do you think it is possible to make an asm.js -> C++ code map for debugging? Or in worse case asm.js -> C++ (somehow) -> Scala debugging?

Also in C#: | var a = 1; | vs | dynamic a = 1; | I think there should be a version number next to language name to avoid false impression.

You are both right. My use of C# is deliberately basic to give users of other languages a good chance to follow it too.

And the payers is not the type with accounts and charities to use for tax dodging.

"Most people are years and years behind the world." You read too many good blogs, crappy enterprise software actually is "world".

Current version of Scala is definitely superior to current version of JS in terms of quality of implementation. ECMA 6 is a different story.