It really isn't hard to make a site mobile friendly from the beginning but converting an original site to work on mobiles can be a massive pain especially if you are using fixed widths. But if you take it into account in the original design then it isn't too hard, it just means you have to work out a way to convert your desktop site into something that fits into a mobile screen, I just normally merge all columns into one and just have them all stacked as rows and remove some useless images as well.

I agree with you at first I did like the menus everything was organised and I knew what each menu had in it and when they released the ribbon I hated it at first. But then I got used to it and then began to like it because everything is there without having to look for it(of course that's after digging through the new ribbon to find where they dumped everything)