It does matter why they have them, if you're using their having them as evidence that something else is a problem.

Swap out "instability" for "drab paint jobs" and see:

> I disagree that "drab paint jobs are not a problem". In military aircraft that have drab paint jobs it's common for everyone in the plane to be in an ejector seat or to have a parachute. Can you provide statistics on how many (or what proportion of) military planes with inherent drab paint jobs routinely carry passengers without parachutes?