Consider the full spectrum:

Consecutive nights away
Holidays
Night work

All at once, for many.


That is not the usual 9-5 job, and that's without even considering the training/certificates and skills/experience required, in addition to the consequences of mistakes or poor judgement which put the responsibilities of the profession at the highest tier: those vocations that can result in death of the employee and customers, in addition to possible equipment loss (airplane) and possible property damage.