What do you dislike about the idea of asm.js? (You mention that some people think asm.js is evidence that you can't make things fast enough in regular JavaScript, but that is something you dislike about people's reactions to asm.js, not an issue with the idea of asm.js.)
Being able to use any language is better than having to use one language littered with WTF pitfalls because one guy had to hack it together in a week. And the debate about type checking and static analysis is far from settled.
