It kinda makes sense for Americans to load the chamber and use the decocker to put the gun into the double-action mode.
I use a Jericho in competition and the decocker is a good thing the way I see it. I have seen guys accidentally discharge while decocking a DA with a trigger pull, which of course is an instant DQ. It is true that the safety bites a bit while racking the slide, but I have yet to actually accidentally activate the safety while racking.