I’ve never worked a service job where the manager treated it as their responsibility to cover a shift. If an employee is sick and can’t find someone to cover,

I’ve never worked a service job where the manager treated it as their responsibility to cover a shift. If an employee is sick and can’t find someone to cover, it is typically considered a missed shift on their part. You feelings might tell you one thing, but it’s worth actually checking that against the facts on the ground.