Think my original post was clumsily expressed. I wasn't trying to make a point about race/creed/colour, it's just interesting to me that the nationality topic seems to come up about Tennis, perhaps more than, say Athletics, Rugby, Cricket. And speculating how 'British' someone is seems to be a...
She's a British citizen. Mo Farah was born in Somalia. He's a British Citizen too. See also Matt Prior, Andrew Strauss Kevin Pieterson, the Vunipolas etc, etc.
Aren't we encouraged to embrace our diversity and multiculturalism?
Or maybe the sun never sets on the British Empire.