This is one of those subjects where unless you're very well versed in the difference(s) between the many disciplines, it's difficult if not impossible to draw meaningful comparison between their respective "stars". It goes without saying that huge praise and due respect needs to be heaped upon anyone who wins more than the odd title and Kim has shown that she's at the top of her "repetitive" games.
It undeniably takes monumental dedication, skill and class to do half of what she's done and it's hard to argue with the fact that to do so she'd have to have beaten similarly talented world class opposition. Therefore, on paper at least, it's possible to make a case for her being the GOAT.............................or it would be if we forget to factor in the respective difficulty of the various disciplines, luckily numbers don't lie, a simple cursory look at the scores commonly posted in the likes of Skeet and Trap V ESP and Fitasc it becomes immediately obvious that they're like chalk and cheese. One requires near perfect scores to merely get into shoot off's whereas with the other perfect scores are almost unheard of (unless your name is George Digweed incidentally, as he stands alone even in that regard).
People can go a lifetime without ever posting a 95 in ESP or Fitasc but it would be a very poor regular Skeeter who wouldn't manage that several times a month. So, do we chose our GOAT based on difficulty AND titles won or the latter alone ? A simple test would put paid to any doubts, to me the greatest of all time means he/she who can outshoot most others at most disciplines (not beat the best but beat most others at most other disciplines).
Dunno about you but I don't fancy my chance with GD on any other discipline (despite and even if I say so meself, having equaled or beaten his score 8-9 times over the years at ESP), Kim on the other hand............................................could she realistically put up a good show at a regular registered sporting ? I kinda doubt it, in fact I'd be surprised if she got in the top 15, and to me that's the difference. Sorry but George is head and shoulders above in any such comparison and company.