Yes UOC is a major setback, but your'e correct, better to have something than nothing. I can draw, load, and get one off in about 2-3 seconds. When seconds count this is too long.
Remember to mention you have ammo on your person when telling others about UOC. Most say "an unloaded gun? what's the point? what are you gonna do throw it at someone?"
This law will be overthrown in time as it is asinine and based in racism by the "state" of "California".
Some people think that California's PC 12031 (and PC 171.c) also referred to as the Mulford law or the "Black Panther Bill" was enacted because Black Panthers stormed the state capital. Not true, they marched on the state capital in response to the law being proposed.