1). The infrastructure is coming. Slowly, but surely. On the flip side of things, I can’t refuel my ICE vehicle at home.
2). The disposal and recycling of batteries is in its infancy. I would guess that most large li-ion batteries would be recycled. Some can be repurposed.
3). Agreed on the lithium mining industry, but it’s no dirtier than coal mining or some o&g production.