I never heard the theory that they broke up because of the tax rates. Thought it had something to do with Yoko :-) Tax avoidance is a significant issue that wi

I never heard the theory that they broke up because of the tax rates. Thought it had something to do with Yoko :-) Tax avoidance is a significant issue that will require some international coordination - but I do think it is a solvable problem. See for example the Facebook co-founder who had to pay an exit tax to move his assets offshore.