Originally Posted by CliffordK

Good point, but I'd also rather a camera be picked up rather than be run over by passing traffic.

And, if I had a really nice bicycle, I might prefer it be handled by a bicycle person rather than being tossed in the back of a police car by some gorillas.

I'm not quite sure what bike parts would fall off of a bicycle without being utterly destroyed. Pedals? Hubs? Derailleurs? etc? But, as a tinkerer, I might even want some seemingly mangled stuff back. There may be internal parts that are difficult to acquire independently from a full unit.