So you’re saying race == phenotype? Then you also have to say that race is a continuum, and, therefore, any arbitrary line on that continuum a social construct.
Which is btw blindingly obvious to Europeans, Harris is white in my book: There’s plenty of Italians with darker skin. Funny how perception changes if you actually consider skin colour to be skin colour and not some grand overarching signifier for an in reality culturally defined group.