You are actually making the world a worse place too by tipping - not promoting a service with transparency and acceptable terms for all parties involved. This i

You are actually making the world a worse place too by tipping - not promoting a service with transparency and acceptable terms for all parties involved. This is a second order effect but much more important than first order. (Unless you presume workers cannot reasonably switch companies which means that everyone is already screwed and serious antimonopoly steps should be taken.) If you were not informed, then there is no moral weight for not tipping either.