Well it is horrible for our environment as it’s a bad use for our very limited lithium. We need lithium to make our highest quality batteries, and recycling lithium is far harder than mining it. Using up lithium makes it rarer and more expensive. Why are we using it up to make giant car batteries when they are charged using fuel sources anyways? We need it for microelectronics where batteries are actually the only reasonable power source. The power grid cannot sustain of every person were to own an EV and charging it all at once anyways. It’s not a solution to environmental problems, it exasperates it.