I think a dozen people have made this comment so far, and I don't get it at all. Is there some reason why the refueling services can't drive around with a truck full of batteries, instead of a truck full of gas?
I'm assuming the argument is that at home, you'd just recharge from your house's power. So the use case is diminished in that sense.
Takes quite a while to recharge a battery, compared to pumping fuel - the trucks would be much more limited in the number of customers they could serve per day. Also, as electricity is much cheaper domestically, price-sensitive customers would have a much higher incentive to just plug in themselves.
Statistically speaking, nobody is driving EVs. Yet. This kind of business may have a 10 or 20 year realistic opportunity, but that's enough time to make a lot of money.