He still said it. He was a Physicist. On any topic outside of Physics he was no more expert than you or me. Lefties love the Appeal to Authority Fallacy
You need to make money to survive under capitalism, the contradictions of capitalism create proletarians that oppose their conditions as wage laborers. It doesn’t make them hypocrites to live a lifestyle that is compulsory.
“[Capitalism] as it exists
today is, in my opinion, the
real source of evils. I am
convinced there is only one
way to eliminate these grave
evils, namely through the
establishment of a socialist
economy, accompanied by
an educational system which
would be oriented
toward social goals.”; ALBERT EINSTEIN, Why Socialism?