I think they're referring to the class of people who profit from capital rather than their labour. That class profits from the labour of others. They don't have

I think they're referring to the class of people who profit from capital rather than their labour. That class profits from the labour of others. They don't have to exploit their bodies, experience, and skills (labour) to realize profits. They're the ones who, "don't work." They're not talking about people who "don't work," and collect welfare.