Earlier quoted context omitted.
Nothing emboldens racists like pointing to government oppression of their ideas. The KKK has free reign in the USA and they've experienced plummeting membership. Nothing kills bad ideas like sunlight and scrutiny, you don't need to ban it and make them martyrs.
You're saying that racism and white supremacy is declining?
Things have improved quite a bit. There was just a period where things were brushed under the rug and not acknowledged, but giving internet access to everyone has made us aware of what's been ignored for so long. There are clear bumps of race-motivated crimes or discrimination sometimes, but there's a pretty obvious downward trend in acceptance of it.