I'm not addressing your claim because I suspect it's not the main reason people use Scrum, in practice. I'm saying it's a political tool, and any debates around

I'm not addressing your claim because I suspect it's not the main reason people use Scrum, in practice. I'm saying it's a political tool, and any debates around its "effectiveness" are pointless as the real benefit is keeping management away. The efficiency gains that you discuss would be pennies on the dollar in comparison.