Easy
Most scooter riders use them for commuting. If your commute is less than 40 or 50km, you can get there and back on one charge. Charge it at work for free.. and you're not giving the petrol company $50 a week.
At this price, it's a few years til you'd make your money back. But even so, the power delivery of an electric bike, and the silence, would have to score a few points for it.
Check
this out. He's not hanging about.