Assymetrical outcomes
I've noticed something peculiar about working for the United States Army. For one, this is my first salaried job, which means that I no longer have a desire to stay behind and work extra, ever. It also amuses me that I get paid the same amount for 28 days (including a 4 day weekend off for President's Day) in February as I do for 31 days in March. If the weekends fall just right, my hourly/daily wage in February is awesome compared to March. But that's not the point of this post.
Here's what happens when soldiers finish a task 30 minutes earlier than expected - the soldiers are expected to keep themselves busy with mundane tasks until it's the standard time to get off work. When soldiers finish a task 30 minutes later than expected, they'll stay 30 minutes late. At the extremes you'll have soldiers sitting around doing nothing for days at a time, and then being asked to work a 17 hour workday about a week later. Ridiculous.
Here's what happens when soldiers finish a task 30 minutes earlier than expected - the soldiers are expected to keep themselves busy with mundane tasks until it's the standard time to get off work. When soldiers finish a task 30 minutes later than expected, they'll stay 30 minutes late. At the extremes you'll have soldiers sitting around doing nothing for days at a time, and then being asked to work a 17 hour workday about a week later. Ridiculous.