I think it might be reasonable to change the ladies' short program rules to allow skaters to have the options do a 2A or a 3A, just as in Pairs, 2Tw or 3Tw. It's fair to skaters with higher skill levels.
Also it is really necessary to do something with the downgrade related rules. For example, Mao did a 3A+2T, and a 2A in her LP during this World, and her 3A got downgraded (why? it looked perfectly fine, yes she pre-rotated the jump, but looking at the landing it appears totally in-line with the her take-off line) , she got more point for the 2A than the 3A+2T, that is just wrong, not good for the sport. And look at how much Dai got for the 4F.
Also it is really necessary to do something with the downgrade related rules. For example, Mao did a 3A+2T, and a 2A in her LP during this World, and her 3A got downgraded (why? it looked perfectly fine, yes she pre-rotated the jump, but looking at the landing it appears totally in-line with the her take-off line) , she got more point for the 2A than the 3A+2T, that is just wrong, not good for the sport. And look at how much Dai got for the 4F.