I'm glad to hear you feel better.
However, batteries unlike humans generally don't heal themselves, nor do they have the ability to control the drain they are subject to by the device they are connected to.
My practical experience reveals there is a problem. I have no idea how many phones are affected, but it must be a lot since even the mainstream media is reporting the problems now.
I'm on my third iPhone 4S. The first two were returning poor battery life which I really don't mind since I have a car charger and the ability to charge it when I'm in the office.
I've never made a purchase decision based on battery life of any of my laptops, camera, phones, or any other battery powered device. The features are more important to me.
In addition, most devices don't make the "claimed" run times anyway.
So why am I on my third iPhone 4S? Because the first two died completely and would not charge. The genius at the Apple store confirmed it and gave me new phones each time.
Only time will tell as Apple sorts this out.