Exactly flare!!!!! For me it is very simple. I can't and will not go into discretion on a night flight/turn, leaving Dubai knowing we can't make it. Pushing 900 hours and max flying/duty each month does not leave enough capacity for the body to be pushing even harder.
Invariably, the worst flights from that point of view are the India turns which also have to fly through Muscat and their congestion. So we get delayed BEFORE even leaving. This is why the unmentionable airline flies those routes as layovers.
But pilots keep doing it and, one day when something happens, they will be held to account for it. To be blunt--quite rightly! You have a choice and if you choose to push the limits then you may well get bitten.