That has a lot of his 1967 quotes. He isn't a communist but he's more on the demsoc side of the socdem-demsoc divide. I think his problem there is that he grew out of liberation theology and the black churches formed a big chunk of his base. They're otherwise generally a conservative community outside of the narrow lines of the civil rights movement's social liberation. The Black Panthers and similar groups had a monopoly on anything more radical than that and he was committed to non-violence. The Poor People's Campaign strikes me as a more comprehensive Bernie Sanders platform: https://www.crmvet.org/docs/68ebr.htm
The Southern Christian Leadership Conference, architects of the Poor People's Campaign, have outlined 5 requirements of the bill of economic & social rights that will set poverty on the road to extinction:
A meaningful job at a living wage for every employable citizen.
A secure and adequate income for all who cannot find jobs or for whom employment is inappropriate.
Access to land as a means to income and livelihood.
Access to capital as a means of full participation in the economic life of America.
Did he call out capitalism by name or was it just implied?
Opinion | The 11 Most Anti-Capitalist Quotes from Martin Luther King Jr. | Common Dreams
https://www.commondreams.org/views/2019/01/21/11-most-anti-capitalist-quotes-martin-luther-king-jr
That has a lot of his 1967 quotes. He isn't a communist but he's more on the demsoc side of the socdem-demsoc divide. I think his problem there is that he grew out of liberation theology and the black churches formed a big chunk of his base. They're otherwise generally a conservative community outside of the narrow lines of the civil rights movement's social liberation. The Black Panthers and similar groups had a monopoly on anything more radical than that and he was committed to non-violence. The Poor People's Campaign strikes me as a more comprehensive Bernie Sanders platform: https://www.crmvet.org/docs/68ebr.htm