"...You could have them but the question is whether they'd be beneficial to the user or more confusing?....
MB: There's also the legacy of where the customer has experience. If you're in the video industry you have experience in how video functions work but the still image is very different. The waveform monitor [which shows a form of spectral histogram] for instance on the C300 is great, but trying to explain that to stills photographers that are just getting used to the histogram would be difficult...."
Honestly, I always hate the dumbing things down line of thinking, over the years consumer level products have become radically dumbed down. It's not like this stuff is rocket science and if you don't understand something at first, don't use that button! Not like it hurts you any....