Most of the benefits you list are eaten up by the simple fact that encouraging car transport has the net effect of an encouragement and subsidy for living farth

Most of the benefits you list are eaten up by the simple fact that encouraging car transport has the net effect of an encouragement and subsidy for living farther away from density. When you live farther away from density, you need those things. So in effect, driving more people to car ownership just exacerbates many the problems that they ostensibly solve.