You would think he'd want to be whiter than white as the spotlight will be on him, I've got no concerns about where he's from.
That might well be the case but that's not how the world works. Implicit or unconscious bias happens by our brains making incredibly quick judgements and assessments of people and situations without us realising. Our biases are influenced by our background, cultural environment and personal experiences.
He shouldn't be in charge of this game. Similar to when Kevin Friend was removed from Spurs games last season.