Investigative and traditional news journalism will still focus on unusual deltas or events — and in this case, those deltas should be in Tesla's favor. A good example of newsworthiness might be if firefighters failed to put out a battery fire or if the NTSB (edited from NHTSA) focused on a particular incident for some reason, e.g. to learn and see how this event is being handled versus others.
"Tesla on fire" isn't newsworthy.
"NTSB monitoring emergency response to Tesla car fire" probably is. (edited from NHTSA. Source release: https://www.ntsb.gov/news/press-releases/Pages/NR20180509.as...)
"Tesla batteries catch on fire [more or less] frequently than gas cars" is newsworthy. It may even be worthy of further investigation in either event.
"Tesla on fire" isn't newsworthy.