There's a good reason why only three genocides have actually been legally recognised since 1948 (Cambodia, Rwanda, and Bosnia). To stretch the definition, as many including the likes of Amnesty have tried to, is an affront to the victims of actual genocides in my view.
I'm not trying to play down the horrendousness of other conflicts. I just think the word genocide should only be used to describe the worst types of crimes against humanity. Otherwise it becomes meaningless.