It speaks to his integrity as a hateful bigot that he didn't have the human decency to change his beliefs based on the fact that he was completely incapable of

It speaks to his integrity as a hateful bigot that he didn't have the human decency to change his beliefs based on the fact that he was completely incapable of coming up with a valid justification for them, and refused to justify himself or apologize for what he did. And no, his non-apology apology was not an apology.