In this February 1990 article from Searchlight South Africa, Paul Trewhela details the motives behind capitalist support for financial sanctions of South Africa against apartheid.
Paul Trewhela - Financial Sanctions and the Future of South Africa
Rethinking welfare: A radical critique - Lucien van der Walt
In 2006, Cosatu called for the introduction of a universal basic incomes grant in response to the ANC introducing various welfare measures to alleviate poverty. Lucien van der Walt argued that that unions had been sidestracked by technocratic demands and that the demand for welfare should instead be linked to the struggle of the working class to reinvent society.