If he was an entirely rational being I would agree, but he clearly wasn't and he did hold both views that Scottish identity isn't worth anything and Scots are essentially identical to the English.

Let's be serious, I'm not saying Orwell would be out enslaving Scots given the chance, but saying Scottish culture IS English culture is intentionally erasing a culture and is a racist statement, not unlike the common view that all of Africa is culturally homogenous.