CLEAN : People take a knee in London's Trafalgar Square to protest the killing of George Floyd

The transcript discusses the importance of the Black Lives Matter movement, emphasizing that Black lives matter because they exist. It calls for action and service to humanity, expressing exhaustion with ongoing racial injustice. The speaker demands better representation and treatment of Black people, criticizing the government's response to COVID-19. Racism is highlighted as a global human issue, urging people worldwide to stand against it.

What is the significance of the phrase 'Black lives matter' in the context of the speaker's message?

Why does the speaker believe that racism is a global issue and not just confined to the US?