It means Durga did not destroy all evil forces (if evil is correct to say) when she fought a war. I see a lot of evil forces in Nepal right now, and we have been asking Durga to destroy them for centuries. Instead of destroying later, why Durga gives birth to such evils in the first place? Because Durga does not care about you, or you have not understood what Durga means. If she is a evil producer, Nepal should not welcome her.