Switcher Canon Nikon

I have long thought a photographer Hervé Le Gall which uses Canon gear for 35 years. It has long asked the question if he did not pass on Nikon. After much hesitation, he went in and bought a yellow Nikon D3s. When passing his reasoning seems rather logical for a concert photographer. I think it is far from being an isolated case because many event photographers have already made ​​this choice. I hope Canon will respond quickly and they offer a full-frame sensor that can have a very good quality at high sensitivities. Switcher is not obvious to a professional photographer and when photographers begin to do this is a good sign for a brand.