It also causes roads to be damaged/destroyed FAR faster due to the vehicales on average weighing significantly more.
https://en.wikipedia.org/wiki/Fourth_power_law
It also simply moves the pollution to places like Africa where the extremely dirty lithium mining is externalized away from wealthy westerners.
Environmental externalization.
The lithium mining is surely not causing anywhere near as much pollution as fossil fuel burning. If you think it's actually significant, please show relevant studies and/or analysis.
Only poorly designed EV's are significantly heavier.
A Tesla 3 and a BMW 3 are about the same weight.