Most users are going to find the controls to be just fine right where they are.
No I do not believe they are. Don't you think that if it was a good idea they would be on another camera at the back. It has become an industry standard because it works best. Profesionals in this industry try lots of different things and are creative but there are some things that are best to keep an industry standard and information and contol access in view and accessable to the focus puller is one of them.