I'm not sure what we are misunderstanding from each other. I'm saying google could very well be blocking it's deployment in chrome because it is not the implementation they originally came forward with if they are that petty and NIH.

The team that wrote the original Google proposal (PIK) joined forces with the team that wrote FUIF and together they created JXL, so no, those particular Googlers are not petty about this.

They're a distinct team from the Chrome team though.