If an employee who has a good track record is going through a period of personal or family-related issues, the employer should support them through that (and not just via FMLA). Not just morally, but also for long-term organizational health. This too is part of the work environment.

Are we building something for the next 6-12 months, or are we aiming to build a monument that will outlast our careers? Sometimes the answer really is the former, but it has very serious costs that are often unaccounted for.