Flip Flop Flyer I think you'll find things have changed. The limit for the weight of any single bag is 32kgs. If the bag weighs more than 32kgs then the passenger is asked either to take items out until the bag is at or below 32kgs, or to purchase another bag so that sufficient items can be re located to bring the original bag to 32 kgs.
The charging for excess is a totally seperate issue.