Even from a Marxian perspective, there's a sense in which worker co-ops embedded in capitalist markets are still ‘capitalist’— they're still subject to the same

Even from a Marxian perspective, there's a sense in which worker co-ops embedded in capitalist markets are still ‘capitalist’— they're still subject to the same kinds of competitive pressures as capitalist firms. Even for socialists and people interested in worker co-ops as a basis for moving beyond capitalism, something like ‘do non-capitalist firms even exist today?’ is a legitimate question.