What matters is making the appropriate comparison. Which in this case would be with a population of high-end gasoline driven cars of equivalent age.
The population of extant cars contains vehicles that are decades old. It's ought to be unsurprising that they have a higher rate of vehicle fires than the Teslas do. How to the Teslas compare with (say) BMW 5-series cars less than three years old?
The population of extant cars contains vehicles that are decades old. It's ought to be unsurprising that they have a higher rate of vehicle fires than the Teslas do. How to the Teslas compare with (say) BMW 5-series cars less than three years old?