You can JB/root an android just as easy as an iPhone. But I agree, the apps from apple are, for the most part, better. As far as the camera and screen, again...it's not comparing apple to android, it's comparing the iPhone to a specific android phone....1 by 1.
Example:
iPhone4s: 8mp camera, 1080p video. 3.5 screen
Photon: 8 mp camera, 720p video. 4.3 screen
That comparison, the Android phone is better, over all, since I would rather the larger screen then the nominal difference of the HD ratio on video.. But what about other android operating phones? But camera wise, the iPhone has it due to video. I know there are 12 mp android phones made, but there are also still 5mp phones. So comparing the iphone to a non iphone isn't the same as comparing apple to android.
There are quite a few andriod os phones that are new that are not as good. It depends on the phone, not just android.
That said, you liking the android os better is valid. That is a fair opinion because you are comparing something comparable. But someone saying an android phone is better then an iphone....isn't....unless you are comparing 1-1 phone, Since there are many many android phones that are better or worse.
I didn't dislike the android os, although I didn't have the newest update. And I can't say the ios5 is "so much better". I just like the feel and response of the iphone....and apples processor, camera, video, screen resolution, and apps are more appealing to me. And JB'in for me at least, isn't needed.