Well, if you go into the physics of the whole thing, penetration depth, skin effect, absorbance, etc, you realize there's always a combination of factors that will screw up your silicon. Plus, if it's not in the bag when it hits, it gets fried. Plus, it should be more like a military-style box than a bag.
Tubes are just a heck of a lot harder to screw up, except mechanically.
Tubes are just a heck of a lot harder to screw up, except mechanically.