Conversation so far:
What was one of Chao's polital views?
Manu Chao writes about immigration, love, living in ghettos, drugs, and often carry a left-wing message. He is very close to the Zapatistas and their public spokesman, Subcomandante Marcos.
What was Manu Chao's political view on drugs?
Manu Chao thinks mafias are making capital off of the distribution of illegal drugs which gives them more economic power, thus making it easier for them to potentially overthrow governments.
Was Manu Chao an activist?
Manu Chao uses his Facebook, Twitter accounts, and personal website to show support to many causes and current movements, and provide news on events related to these causes and movements.
What causes or movements did Manu Chao show support for?
Manu Chao supports Anti Globalization, Indigenous Peoples' Rights, Sex Workers' Rights, Women's Rights, Environmental Justice, and many other causes.

Question: Were his efforts successful?
Self-contained rewrite: Were Manu Chao's activist efforts successful?