In 5 years time will he still be single and not interested in command? A lot of things can change in your late 20's. If he decides that, actually, he would quite like to be a Captain after all he will be 5 years further down the seniority list at an airline in his home country- and possibly still 5 years away from a command in Emirates. This is not an industry that encourages people to change jobs a lot.
And, actually, a lot of people are angry.