UK Election: not about making the rich poorer but making the poor richer

 No social group should advances at the cost of another. Labour's simplistic idealism policy is to make the rich poorer but as Bentham has it the aim should be to make the poor richer, not the rich poorer. 

Berlin maintained that the pursuit of one end necessarily implies that other ends will not be achieved. In this sense ends collide or, in the more prosaic terms of economics, the pursuit of one end necessarily entails opportunity costs in relation to others which cannot be impersonally shown to be less worthy.