This would be great also if, during damage situations they are less harmful than Lithium Ion batteries (which cause very hot, self sustaining fires for hours and hours!)
It's true though that they have to be fought differently, because they can't be extinguished by flushing the fuel away as you can for liquid fires. So the "hours and hours" bit is sorta true, I guess. But having to keep people away from a battery fire for a while while you hose it down is an annoyance, not a safety concern.
In any case the battery under discussion is a molten electrolyte thing intended for grid storage, not vehicles.
They just happen way more often, petrol tank is smaller tucked in usually somewhere in the back of the car, VS battery cell where just puncture can start a fire where gasoline can "just" leak without catching fire. Althought I imagine chance for that grows a lot with old cars, once they start to rot from corrosion
I don't think that's true either? Obviously the FUD angle means that it Makes Big News when EVs burn. But gasoline cars burn all the time.
Look, if there's evidence for battery safety issues then let's discuss it. But there isn't. There are millions of EVs on the roads now. Can we even name one accident where someone was injured by an EV fire? It's just not there. This is wrong. What you're repeating is wrong.
I think most car fires are not from the fuel tank leaking, but instead from a short somewhere in its electric system, or from a leaking hose spraying flammable liquid (fuel, oil, etc) onto a hot surface (like the motor). Compared with an ICE vehicle, an EV should have less hoses with flammable fluids, but more parts on its electric system.