Yes but going by these numbers, even 1 hour of use a day would produce a marginal profit on every scooter added. An hour sounds attainable. And coming up with clever operations hacks that push utilisation towards two hours a day sounds like the sort of challenge that most startup founders would love to be dealing with :)

(edit: another comment in this thread mentions the current batteries only last one hour, so that probably limits daily usage.... taking the long view that's ok I think, because at this point it seems a safe bet that batteries will be a lot cheaper in a few years time.)