You can do this for all kinds of shit absolute muppets say to you and it'll keep you from losing your mind trying to "explain" why they're wrong. They know. It's not about reality, material conditions, facts on the ground, or right and wrong at all. It's about "if anything has to change I'd rather it burn to the ground."
A whole lot of the people around you would have chanted "no slavery, no colony" and caught a bayonet for it during the Haitian Revolution.