That looks like a credible set of reasons. So why can't the current administration admit the policy was wrong? In the days of the Internet, it's obvious to all too many people that the emperor has no clothes. Whose credibility do they think they are defending by not admitting error?
There are two basic problems with the Kosovo operation which the United States perpetrated in 99. One is that the precedent cannot possibly be allowed to stand since, if it does, the UN will shortly be demanding that we hand half of Florida, Texas, and California over to Mexico on the same stupid basis of ethnicity being everything and nationhood, sovereignty etc. being nothing. The other is that the operation was the nation-state equivalent of a mortal sin which we could all go to hell for. In order to take the Broaddrick story off the front pages of the papers, Slick et. al. amongst other things, killed and mained several thousand little slavic orthodox kids, most of who were hundreds of kilometers from any legitimate military target.
And whoso shall receive one such little child in my name receiveth me. But whoso shall offend one of these little ones which believe in me,
it were better for him that a millstone were hanged about his neck,
and that he were drowned in the depth of the sea.