While I think Crockford is being funny here, he's got to know that adding in ad-hoc stuff like this into licenses is problematic. Which is fine -- it's his cal

While I think Crockford is being funny here, he's got to know that adding in ad-hoc stuff like this into licenses is problematic. Which is fine -- it's his call, of course -- but less people are going to use this thing. I see he's even added this clause into the widely-used JSlint project.