This explains everything...

Top Ten Reasons Not To Join The Empire
10. Stormtroopers are the Empire's first line of defense.

9. All ships and installations are built around a "main reactor."

8. Exhaust ports are big enough for proton torpedoes and always lead to the "main reactor".

7. TIE Fighters have no shields.

6. The Emperor's best troops were defeated by rock and stick wielding teddy bears.

5. Officers over the rank of Lieutenant have a life expectancy of two weeks.

4. Everything proceeds as the Emperor has foreseen.

3. Stormtroopers are picked for their intelligence and common sense.

2. The Emperor allows the alliance to know the location of the shield generator.

1. Bounty Hunters, We don't need their scum!