You obviously don't have a very small screened laptop. Why should they remove a feature that is very welcome to many users. If anything, you can tell what fullscreen apps are in what order.
Just because YOU don't use the OPTION to have multiple desktops. I LOVE having the ability to use multiple desktops, partly because I'm very OCD about somethings, and partly because multiple apps open at the same time gets very cluttered, and it is easier to swipe to the side to use a new app, then it is to find the correct window.
Full screen apps get their own space because IF you were to have extra windows open below the fullscreen app, when you were switching to it, or looking for something that happened to be below it, you can't find it.
That is the stupidest thing I have heard in a very long time. There have been threads on here, and posts and entire websites devoted to what lion would be like, and yet you still decided to buy Lion and are now complaining because you didn't really read about it, and more importantly, you are complaining about something that is OPTIONAL!!! you don't have to use Mission Control, you don't have to use Mac OS X Lion, you don't have to use a Mac, you don't even have to use a computer. You could survive quite well if you just used some paper and a pen. Call me a Fanboy all you want, and I will admit, there are problems with it, but again, nothing is forcing you to use it.