On point 1 you re producing an original theory WP OR On point 2 you re asserting without in undisputable source that this constitutes a retcon which applies to everything that s come before it and after it again WP OR On point 5 you re just wrong the BBC has never taken a stance on what constitutes official universe continuity it s always been left to production teams to make up their own and Russell T Davies has never stated the Doctor he writes for is half human