And if you need to do a second trip that year? Or a third? Or 10 extra trips? The marginal utility of a cheaper EV starts looking really expensive. This is how people think. Owning a car that can cope with the outliers is a hedge against a period where you have to make lots of unexpected long trips.
People enjoy the freedom of ICE cars and their ability to go on essentially unplanned long journeys. Giving that up to use a cheaper EV will be a very hard sell.