The video creator discusses the start of World War II by referring to the Treaty of Versailles. He claims that Hitler justified the invasion of Poland because 15% of its territory formerly belonged to Germany. According to him, the idea of a random invasion is a "lie" and the UK destroyed its empire by engaging in a conflict that was not a good idea. The guest disputes this view, presenting the war as a classic struggle between good and evil. He argues that defeating Hitler was the right decision to prevent the UK from becoming German-speaking. The creator concludes by suggesting that a European language would be preferable for some British citizens who do not speak English.