Well I thought the Norfolk joke that the other poster did was a bit low effort. So I thought I'd go all in and ask the real question - is in-breeding the reason

Well I thought the Norfolk joke that the other poster did was a bit low effort. So I thought I'd go all in and ask the real question - is in-breeding the reason the british and irish often have big weird ugly heads? I am leaning to 'yes'. I make no apologies for comedy.