Like a whole host of people - I do not have a driveway so unless I move house I can't see an electric vehicle being a sensible proposition. There are a number of public charging points near my flat - at the local station and a public car park. How safe is your vehicle when its left charging ? Can a passing herbert disconnect it or otherwise cause mischief . I guess public chargers are always rapid charge at premium rates. Is there an option for trickle charging at near domestic rates and would anyone leave their car overnight at a public charger ?
Yes, as already noted, the cable (which is "live" at the time, hence unlikely to be cut through) is locked into the car (and socket, if it isn't tethered). Requires the car to be unlocked (typically) to release. As to "mischeif" in general - as per any other parked car, of course.
In general, the type of charger where you are intended to leave the car for a long time (eg overnight) is a 7kW AC unit and the charging costs for these are usually lower than DC rapids - but rarely at domestic rates. There are still a few free ones about, though. Some will be 22kW 3-phase units, but many cars don't handle 3-phase so you use just one phase at 7kW anyway. It's accepted and intended at such units that you leave them a long time and there is no more risk in doing so than simply parking.
As to Elon Musk and Tesla:
My view is this. Like many, I don't like much of what he has been up to lately. But that in itself would not preclude me from buying a Tesla, IF it were the most suitable vehicle. As it is, neither of Tesla's current models are, for various reasons not directly Musk related, cars I'd choose. But what we do have to give him "credit" for (assuming we consider EVs to be a good way forward) is proving to the world that it could be done. I firmly believe that were it not for Tesla's introduction ~10 years ago, the mainstream manufacturers would be churning out ICEs while stating that it "can't be done" and governments having to accept that. As it is, having had it demonsrated to them, those manufacturers are nevertheless still trying to bleat at governments who have seen how practical they are in fact, and are legislating accordingly.