You'd quickly get into making up new units that are aggregates but you don't call them that and there would be no end of bikeshedding about what "aggregate" mea

You'd quickly get into making up new units that are aggregates but you don't call them that and there would be no end of bikeshedding about what "aggregate" means. Isn't "distance traveled" by a car really just an aggregate of revolutions of the tires?