One could say the same for Persians, who, by the way, cannot jump nearly as high as a munchkin, or the exotic shorthairs, who have the the same facial structure as the persians. Munchkins are not, in any way, inhibited by this natural mutation.
Munchkins are cute, yes, but that is simply not the big point to be made with this breed, You see, Munchkins are known for their kittenish tendencies all through their life as well as their charming personalities. That is part of the breed.
I could fully understand your feelings if it was a detrement to the cat(s), however, if bred properly, it is not. Can there be problems with Munchkins due to breeding, of course there can, but no more so than with any other breed.
Clearly I am not going to change your mind, and I did not intend to, but what I do want you to understand is the fact that people are quick to condemn breeders because they see a short legged Munchkin (yes, there are long legged munchkins), and think how awfull it is that "we" did that to them, and never consider that there are breeds out there that look all cute and cuddly, but could possibly have more problems than Munchkins ever will due to improper breeding.
If you don't think it's right, that's okay
, it is after all, your opinion, but remember, there are much more serious causes within the feline world you could champion than that of the Munchkin.