Yes yes, but some do, it was a giant flame war, and I'll admit that it can be a practical issue (if not a correctness one) for javascript to rely on automatic semicolon insertion if it means you can't use your minifier of choice.
But trying to use a "validator" that validates a languages other than the one you are writing is just plain insane.
But trying to use a "validator" that validates a languages other than the one you are writing is just plain insane.