It is so impossible to believe that someone would actually care about people being killed that the only fair conclusion is that they are “metaphorically indignant”. It’s just so gosh-darn easy to think that murder is wrong when you aren’t the person who is given the task of choosing whether to murder people or not.
I’m sure they are a quick legal memo away from being used on US soil if the president wanted to. But in general I do think that Americans are safer from drone strikes than the rest of us.