It’s about a 10 year old who is advocating

So you're going to accept whatever children say? That's all the more reason to question it.

It’s beyond utopian to think zero cars is feasible in any way in the coming decades or so.

It's actually the dystopian reality as oil and other resources become unaffordably rare. The extreme privilege of cars is only sustained through violence against humans and the planet.

there will always be a necessity for cars,

Wrong comm.