The Look family - Look KG196, KG381 & 695 Aerolight

In a shop, 10 feet off the ground.

Classic mistake. Should've been 5 feet, where there is less gravity.

Anecdotal stories are cool and all but the industry pretty much agrees that carbon degrades* slowly enough, especially when painted, that frames are likely to outlive a person. I can't see how under negligible force, a frame can crack itself unless it is extremely hot or routinely splashed with salt water.

*the resin actually

Edit: That said, there are always extreme examples of course. I doubt it would be representative of every one of the frames