[sliverstorm]

Eventually parachutes need to be used. Now, they should work and save you, but why risk it if you don't have to?

[blueben]

Because if you don't exercise that functionality, you will never have confidence that it will work when you need it to.

[timthorn]

Worse - you might have false confidence that it will work, but you find out at the worst possible moment that it won't.