I think the requirement is to pass the regulator's reviews and tests, not to swallow pride.
Your own report says these issues were raised in June and some points have been at least partially addressed, so the work has begun in earnest.
Yes, and the report also says one of those 4 major points was not well received by the US contingent, and that EASA is still waiting on work to be done on that. Which, in other words, means that the FAA/Boeing has stuck their noses at one of EASA's requirements, which does point towards needing to take a humble pill and get on with it. If you read the entire article, it's quite clear EASA are not getting the level of cooperation from the FAA that they need in order to re-certify the aircraft, the reason seemingly being the usual level of arrogance we associate the FAA with.
Like it or not, FAA is the lead agency for airplanes manufactured in the US.
Boeing will work to get FAA's approval first and foremost.
And they will do so at their own peril, jeopardising 90% of their backlog to save the 10%. And I'm absolutely fine with the FAA being the lead agency, in fact I couldn't care less. What I do care about is safety, and if the FAA is not willing to subject Boeing to the requirements which will satisfy that, then their lead will bring bring them absolutely no further than the US market. At which point the 737 program is dead.
I think it's pretty obvious that we are heading for a US-first RTS.
FAA has already said JATR is independent of ungrounding.
I think you're right, but I also think you are underestimating how far it might take between FAA and RoW RTS or, indeed, the potential (however remote) risk that RoW will nix the aircraft entirely, should Boeing adopt a position of 'the FAA are happy with it, so should you be, and we're not going to make any further changes'.
As for what the FAA said about the JATR, all of the above applies: They live in a bubble and whether they like or not, the findings of the JATR panel will have an impact on 737 Max RTS.
It would be a brave CEO indeed who, upon receiving notice the FAA has cleared the aircraft but the rest of the world are baulking, said 'sod 'em, let's fly!'. It would be an even braver public who'd climb aboard such an aircraft, having had their social media and news spilling over with those very facts.
Signature. You just read one.