Firstly, that link is too long winded for me to bother reading. What's it's conclusion?
Secondly, you missed the point made by Randy, that "self-appointed safety-weenies" are taking things too far.
Thirdly, being more sensible and ignoring any lies, damn lies and statistics, we see fires by any type of vehicle. If you store lots of energy, that energy can be released all at once by mistake, just in slightly different ways, however the battery ones are totally absurd:
Petrol fires:
Battery fires:
Strangely, propane wasn't very dangerous at all: