Oh, I'm hoping they don't actually make an arrest ... well, for one, no jail will accept them. And, two, the officer involved could become a defendant in a civil rights suit and that can be a headache and run the risk of not being indemnified by their agency should they lose. So, since they can't go to jail, all they can be is threatened. But, there have been news stories of a number of people cited for violating orders in Los Angeles, but those also involved being on closed beaches, and in Sacramento where people were congregating at a party and a church. Mostly they involve citing businesses that continue to operate in violation of the order.
But, making a detention without lawful cause is also unlawful. Simply stopping people for being out of their house or gathering at their own house (which has happened in L.A., Sacramento, San Jose, and other places) can be sufficient to violate the law. I can't stop people without reasonable suspicion that criminal activity is afoot. I can make consensual contact and advise and educate, but, detain for something that is not a crime? Nope!

