Even if you didn’t have two car seats it’s unlikely that any of the kids stuff will fit as well. Kids come with a lot of stuff in general.
I bought my Tahoe for $30k, I looked at Tesla but we couldn’t afford the 100k price tag of the model X.
For people who are in lower or lower middle class total cost of ownership is something that you can’t really take into consideration because it’s easy to flex the amount spent on gas by reducing the driving around and being more efficient with your errands, but you can’t flex your payments.
Lastly while 57k isn’t bad for an electric vehicle, it’s still far from affordable for a large portion of Americans.