Unless you can find a way to implement it , we can ' t even begin the discussion on whether it SHOULD be or shouldn ' t be . I ' m not sure this should be accepted as an axiom lots of things are difficult to implement but are still worth discussing legislative measures to combat climate change , for instance . Certainly determining the optimal way to carry out such a policy would be very difficult , but one could still ask is this proposal which doesn ' t do everything possible better than the current system ? or similar questions to get at the issue at hand without a concrete plan for implementing it . <| sep |> Gonna try the Ruben from Subway . <| sep |> You can tell them everything and anything about yourself and they do the same . that way all the cards are on the table and there is usually no judging involved .