Earlier quoted context omitted.
It isn't "just kerosene". It it MOSTLY kerosene, but as usual it's the last 1% that kills you - various additives to prevent things like icing and corrosion, and benzene and various napthas.
Kerosine came first as a high-flash-point (for safety reasons) lamp fuel somewhat comparable to whale oil. Gasoline is very volatile intentionally, but kerosine is supposed to be not-so-easy to ignite. If you ever had to light a kerosine furnace on a cold winter day, you can drop a number of lit matches right into an ounce of it and a few will simply be extinguished before one finally catches fire. Later, Diesel type…
https://casetext.com/case/lambert-v-bp-products-north-americ...
https://oem.bmj.com/content/60/12/969
Benzene, in particular, has an accepted safe exposure level of zero.