If your fix is waiting on people ( that are wealthy enough ) to choose an electric car over a gasoline car so they feel good about themselves we aren't going to get where we need to be in time.
The economically viable thing to do, needs to be the right thing to do. This is a place for regulation, not the free fucking market.
The problem is so many gas cars are going to be dumped on the market that they are going to become dirt cheap to the individual consumer, while the external costs spread to everyone will be more and more burdensome. That’s where regulation will be needed.
If your current cars 20+ years old and on it's last legs then yes, if it's not then you'll create more pollution from manufacturing the Tesla than you'll (potentially) save.
That’s why Tesla creating eco cars that out-muscle most muscle cars is so brilliant. It can show people who would never back down from big powerful cars that their fuel of choice is weak sauce.
I think it will be more effective than appealing to them with carrot juice and sprouts.
So... my advice is buy/lease a Tesla and show it around. At the very least you’ll have fun.