Don't get me wrong - personally myself - I'm cool with it. I would probably trust the tokenizing to obfuscate my script - hell of a site better than plain-text thats for sure -

Have tokenized scripts been reversed engineered ?

Not that I know of.

Can tokenized scripts be reversed engineered ?

Ruud said they "could" be.

Will tokenized scripts ever be reversed engineered ?

My guess, probably not - but who knows.