After the acquisition announcement, the rate of people leaving slowed way down. Now, since the hope of near term relief has evaporated, you should see attrition pick back up. Even some of the 777 captains are looking at alternatives. Very few are committed to sticking around.
Fatigue is a major issue. one has to develop their own fatigue mitigation techniques. If you can't rest adequately on the airplane, this job will kill you.
it's not for everybody.
"you must chose" chose wisely