Where gasoline and diesel are consumed at low or no pressure from a fuel tank, an EV is analogous to a compressor driven high pressure hydraulic line.

High pressure fires are very different to low pressure as this garbage truck hydraulic line fire demonstrates:

https://youtu.be/aj8-JlRqoWc

Trapped energy is in a hurry to get out. Damaged batteries contain immensely 'pressurized' amps that will find a way out until exhausted...