The OS has to get the **** out of my way and not IN my way! And THAT is a job that ANY other operating system on the planet does better than iOS!
I don't want to be locked into Apple's services like iCloud or iTunes to get basic stuff done - like copying files FROM or TO the stupid device. I don't want "deep social network integration" unless I install applications for that purpose; and trust me, I won't ever install Facebook or Linked-In or Twitter stuff on any of my devices because I don't need or want that crap in my life. But Apple thinks otherwise - and the thing is, I don't need or want Apple to think on my behalf.
And hell, YES, should I desire to "CHANGE EVERYTHING", then I want to be able to do exactly that.
Linux and Android NEVER get in way; they let me have my cake and eat it, too. Even Windows 8, which thus far is the most restrictive platform that Microsoft has ever released, gets less in my way and is more open than any Apple product ever was and ever will be.
If you enjoy being told what you can and cannot do with device you paid a lot of money for, be my guest. Apple loves customers like you! I, on the other side, want to actually OWN the product that I've bought and not be restricted in its use in any way.