I think scooters are awesome.
That's what got me into bikes. I wanted a cheap practical mode of transportation for downtown, so i bought a scooter. Then caugh the bug and got a bike.
I still have my scooter. I live and work downtown and my scooter is way more practical then my bike for getting around the city. I never have to look for parking, i just park on the sidewalk where ever i want. I filter through traffic. I can get $100 worth of groceries on it. I can jump curbs. More comfortable to ride with my wife on the back then my bike.
Now of course, If i'm not running errands and looking to get out of the core, my bike is king.
I think they're both great, and they both serve different purposes for me, and serve them well.