I think if you look at Kim's Olympic free skate, it seems like the ISU went pretty much right down the line to level the playing field. As Mary01 points out, Kim's biggest advantage was that she got 11.00 points in GOEs for her jumps. This is more than an extra quad. Under the new rules, with the same judging, she would get only 7.7 points. (The new rules would have reduced Asada's score by only 0.58 points.)
The biggest thing, though, is the new post-Olympic rule that prevents three double Axels. Kim did 2A+2Lo+2T, 2A+3T, and solo 2A. The new rule negates the advantage of any skater who wants to attempt two triple-triples or a triple-triple plus a 2A-triple. If you do too many triple-triples you are Zayaked out with nothing to fill your seventh pass with.
In principle this rule affects all skaters (and I actually think it is a good rule). But in actual fact it inconveniences only those skaters who do can do 3/3 and 2A/3T. In contrast, a skater with a triple Axel is home free -- she can do 3A, a triple-triple, and still do two 2A's at the end if she does not have the full complement of jumps.