Jay: There is no evidence that the creator of that scene could have had any inside knowledge. That kills the hypothesis right there.

But have we even looked for suitable evidence? Do we even know what sort of acquaintances the author had?

Jay: Ian Fleming is a plausible whistle-blower at prima facie. Richard Maibaum is not. Therefore there is no whistle-blow. Full stop.

Have you received a responce from Richard Maibaum? Your unequivocal statement would seem to suggest so.