ChargePoint provides the hardware and handles the administrative stuff, but the owner at that location dictates the fee structure. For example, SFO has over 100 free charging spots (but charges $2/15minutes parking).
ed5000 - pre-planning almost always allows one to 'opportunity charge' almost anywhere around the SF Bay Area.
Last I heard, in California it is permissible to park and charge an EV in a dual-purpose charging spot also identified as disabled parking. South San Francisco parking garage also has that situation. In any case, I always leave my name and cellphone number prominently displayed on the windshield allowing as I'd be happy to move if there was a problem.
As far as being ICEd, here's the little red card I leave under the windshield wiper of the miscreant, appropriately checked: