“If you tremble indignation at every injustice then you are a comrade of mine.”
-- Ernesto “Che” Guevara
When the Spanish conquerors of Mexico burned all the Aztec books, they were eradicating a people’s history. When the American government sent young natives to Indian schools for assimilation, they were eradicating a people’s history.
By the same token, when you paint over a social, political, or cultural mural, you are eradicating a people’s history.