Do you really need a better argument than that? Or do you just need to repeat that it's racist until a substantial part of the population both believes that and

Do you really need a better argument than that? Or do you just need to repeat that it's racist until a substantial part of the population both believes that and would also treat challenging that belief as racist? Consensus is a fundamentally social mechanism, and while scientific consensus ought to be as close to factual as possible, the people forming the consensus are potentially prone to exploitation via outside social forces.