well breathing clean air and not cooking the planet is about as non-subjective as it gets. We're not really talking about sophisticated moral quandaries here, the bar for improvement in our societies is actually surprisingly low.
Not having everyone of the billions of people living in our cities carry around two tons of steel wherever they go ought to appeal to anyone who can do a bit of napkin math about energy consumption.
Elected officials doing whatever people tell them like a sort of walking strawpoll is a nice fiction but at the end of the day letting the inmates run the asylum is a bad idea. If we want to make necessary improvements it's going to come at the cost of going against the often short-sighted interests of citizens.