You're [deliberately?] misinterpreting the stated intent of the law. A gun that goes off when dropped is substantially less safe than a gun which doesn't. People who buy guns are in fact justified in considering such factors.

I think there's a real case to be made that the Californian law is duplicitous and is actually intended to reduce the availability of handguns in California, but that's not the point being raised here. The point is that for some reason Californian cops are exempt from from the law. That's like exempting cops from the lawn dart ban, it makes no sense.