I don't know if anyone else has said this, but you should leave all mechanics in a position of rest. Store your lenses at their widest aperture setting to avoid stretching the springs, and store cameras un-cocked
Yes, someone has said that. And we have replied that it is nonsense as in an un-cocked state, a spring is still under tension.
"People who say things won't work are a dime a dozen. People who figure out how to make things work are worth a fortune" - Dave Rat.