Z tego co przeczytałem testował aparat przez kilka miesięcy.
Poza tym napisał wyraźnie :

I have been shooting Nikon since the day I bought my first DSLR. Not planning to go anywhere anytime soon, even if Nikon falls behind. I know there will be better days, and when that happens, I don’t want to be going back and forth, because that’s money coming out of my pocket. Unfortunately, many photographers get caught up in the hype, thinking that just because system X looks better, I should switch.