Electric Complications

I've been hearing/reading/viewing a LOT about electric vehicles in the last year or so. Especially because of recent high gas prices the electric vehicle has become a 'when' and not 'if' proposition. It seems dozens of manufacturers are racing to bring their vehicle to market. I have read a lot about the batteries in all of these vehicles and the range in miles you may or may not get on a single charge. HERE is something I did not think about or even consider until I read it today.
The idea is instead of waiting for your car battery to recharge you go to a local "Battery Swap Station" and just have your battery changed out for a fresh one. This would also allow for longer 'cross-country' type trips. I guess it makes sense really but my first reaction to this was, "Seriously?" I guess if oil was really almost gone, which it is not, or supply and demand was making gas prices ridiculous like last year then maybe I could see this. I just can't understand why with all of our technological prowess we cannot come up with a battery that will last longer, more like a tank of gas longer, and why we couldn't recharge said battery as fast as filling up a tank of gas. This battery swapping idea just comes off comical to me. Watch this video and see what you think.
These batteries are huge! How many cars could a swapping station even service in a 24 period for example. Something about this just doesn't seem right to me.