[tzs]

That is not the law. The law is that such theft is a misdemeanor which caries up to 6 months of jail time and a fine of up to $1000.

They are not prosecuted in San Francisco because the DA chooses not to do so.

[selestify]

Why does the DA choose not to?

[native_samples]

Because promising not to is how he got elected. In other words, a left wing political coalition that wasn't able to get the law changed via the normal routes were able to eliminate the rule of law instead.