In the wake of the horrific racist massacre in Buffalo, NY, Stop Hate for Profit is calling on mainstream social media platforms Twitter, Facebook, YouTube, Twitch, Discord, and Reddit to immediately stop the spread of hateful white supremacist rhetoric that has incited acts of violence by permanently banning repeat perpetrators like Tucker Carlson, Laura Ingraham and others from their platforms and enforcing their own hate speech policies with regard to the Great Replacement theory and white supremacy. This article describes the forms that the Great Replacement Theory takes on these platforms and the platform policies they are violating.