I've played WoW for no more than about 20 hours in my entire life.
My parents however...
In all seriousness, it isn't that serious of a post. But throwing games and ruining the experience for others should not be something that you think "that will be quicker to grind." I think the real thing would be to make the win/loss ratio of EXP further apart so that losing isn't quicker in the long run.