If this is evil then any company offering a job is evil. I offer you a job working from 9am-5pm. You have a certain schedule such thaf you cannot meet those terms. I am evil because you have no choice but to work for me or starve.

See what I mean? And sure, capitalism is exploitative. But I don't see how this specific arrangement is any more or less exploitative than any other.

Factories need workers around the clock because it is expensive to start and stop operations. So you develop strategies in order to keep everyone happy.

Sort of like how oil rigs or deep sea fishing does the x months work y months home thing. Work for 3 months, take off for 1. Etc.