Why did nedry leave the Raptor fences on?

Related questions

1. Why is Tracer the face of overwatch?
2. Which Raptor kills Hoskins?
3. Is wrecking ball any good overwatch?
4. Is Hammond a villain?
5. How did Dr Hammond die?
6. How much is a wrecking ball?
7. Is Miley Cyrus wrecking ball a cover?
8. Is Hammond a main tank or off tank?
9. What is main tank?
10. How old is DVA from overwatch?

Tags

1. #embryos
2. #steal
3. #could
4. #fences
5. #needed
6. #nedry
7. #unfettered
8. #order
9. #access
10. #security