[TheOperator]

Or you could just schedule people to arrive at the same time but have them work shorter hours.

[TomMarius]

That would cause an impossibly tight schedule for everyone and no actual work would have time to happen

The way I see it is: Bursts of work combined with prolonged pauses because of others' schedules and other issues with coordination

[JohnFen]

Or stagger shifts so that there's always someone at the ready.