Well then Bill, why did you decided to stick with x86 in IBM PC, which is clearly one of the most energy inefficient ISA nowadays? I mean the computational powe

Well then Bill, why did you decided to stick with x86 in IBM PC, which is clearly one of the most energy inefficient ISA nowadays? I mean the computational power inefficiencies due to the use of x86 over the past 40 years combined may have exceeded the total energy expense of industrial revolution with all those long running POS machine, E-billboards, announcement system and servers...