I agree with the score feeling lazy, that's for sure.
And I can imagine Craig pushing Mendes to "do one final one" together and go out with a bang, seems like Craig wants Mendes as his director for Bond. When one goes, so does the other.
And now after my 00-3rd viewing (proud of that), there are two gaps I would have liked answers to if anyone cares to divulge in them:
Spoiler
Still a cracking film. And I actually loved the PTS even more this time, the helicopter work is phenomenal.
I'd rather have someone new, too. At times it felt very much like Spectre was struggling for ideas - fresh blood needed, I think.
Thoughts on your questions...