It's not economy of scale if everybody isn't using or doesn't WANT the product! It's tyranny telling people what they want or need.<quoted text>
So you didn't look up externality or economy of scale, did you?
There are HUNDREDS of cities in this country who got Federal funds to buy 50-passenger buses that only 4 or 5 people at a time ride on. Or "rail" systems costing tens of millions that no or only a few ride (google "empty trains", for example). You call that ECONOMY?
I live in a rural area and I grow much of my own food and trade with neighbors for some. I work mostly from home. I drive less than 200 miles per month. I don't need nor do I benefit in any way from mass transit! Those who (think they will) save money by riding a train instead of driving are CHOOSING to do so for THEIR benefit, so they should bear ALL of the costs.
The "extrenality" to me is a negative one, and that is becoming less and less acceptable to an increasing part of the population. Can you REALLY not see what's coming?