"Catch fire", like the term "fast" can be used highly selectively.
Does "fast" mean fast acceleration or fast top speed? You already know that BEVs well suited to acceleration, but are not suited to driving fast for very long. That's why I never seen them out on the Autobahn, out in the middle of nowhere bombing along at high speeds with the gas cars. Ever. And I go there a lot. Tesla has published a chart (I would have to go look for it), maybe you have it can can share since you have a Tesla, of the range penalty associated with increasing speed. In it you can see why Tesla drivers don't go 120-130 for long periods out on the Autobahn in the middle of nowhere.
Anyway, as to the loosey goosey use of the term "catch fire":
an ICE car can "catch fire" when the driver of his 1995 Dale Earnhardt edition Lumina or Monte Carlo tries to flick his cigarette butt out the window and it flies back in and lands on the passenger's seat, soaked in McDonalds fry grease from where he places his carry out food while he eats and drives, (this actually happened, BTW). Outside of accidents, ICE fires occur from acts of neglect or improper maintenance, such as failing to cover the positive terminal and all hot side wires terminations, or deteriorated hot side insulation, shade-tree mods, that kind of thing. Otherwise ICE cars do not catch fire. There is nothing in an ICE car that would allow for a spontaneous combustion, just out of the clear blue. This is not so with a BEV car, where a thermal runaway in a lithium ion battery pack starts through no negligence or risky behavior on the part of the owner. And yes, unlike ICE fires, lithium fires are white hot and DO NOT NEED oxygen to self-sustain. They will burn to the ground unless they can be cooled with lots of water. In fact, the cutting edge direction here is total immersion. In Europe, where BEV cars are much more common than here, the are out on the forefront of the issues that arise through mass adoption of BEV, and they are starting to build special trucks for responders, with water tanks that you can pull the car into and then flood. These were never necessary for ICE cars, which should be your first clue that the causes and nature of the fires are not the same. It is folly to try to draw conclusions of out of raw numbers.
Anyway, it is a hugely misleading over-generalization of the risks, to say that BEV cars catch fire less frequently than ICE cars, even if it is true from a strictly numerical standpoint.
-Peter

