Have anti-racism laws introduced to date actually worked?

Source::
The National
Have anti-racism laws introduced to date actually worked?

“CONFRONTING hate crime is central to building the safer, stronger and inclusive Scotland that we all want to see” – so writes Humza Yousaf (To build a safer nation we must confront hate crime, November 11). All well and good but it’s worth reflecting on the anti-racist legislation that has been passed since Powell’s rivers of blood diatribe in 1968. Has any of it worked?

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The National
Have anti-racism laws introduced to date actually worked?