That's not really Boeing or the airlines call.
If the relevant certification authorities refuse to certify it, then it isn't going to fly no matter how much Boeing or the airlines want it too.
It is going to be interesting to see how it goes. That it has taken this long to fix, points to it being, at a minimum a lot harder to fix that first suspected, and it might even be unfixable given the laws and regulation around airtravel.
It is going to be interesting to see how it goes. That it has taken this long to fix, points to it being, at a minimum a lot harder to fix that first suspected, and it might even be unfixable given the laws and regulation around airtravel.