Got me. Considered a spoof at first.
The performance was totally believable.
Her point was undoubtedly to be able to point and shout 'racist'. Ie. If you believed any of that then you are without a doubt a racist.
Actually, her race had nothing to do with 'believability'. Her performance did.

Finally, brethren, whatsoever things are true, whatsoever things are honest, whatsoever things are just, whatsoever things are pure, whatsoever things are lovely, whatsoever things are of good ...