No, I said "concerns about potential cherry-picking to support an assertion". I'm undecided on the matter and motivated to delve further into it before making any pronouncement of yea or nay. As was said, as is known, Twain was a cutting social critic who frequently twisted racist tropes back on themselves as means of exposing the dark underside of social conditions of the day. Without an in-depth examination of the character in question, more reading around the subject, it's not possible to make a determination.