The question is, why should they? At least in the industry I'm in, managers are not there to have vision or innovate. That's the role that sales fulfills, and executive leadership. Managers are there to ensure that the innovation is feasible (is the "vision" even possible to do in reality?) and profitable.
Compensation goes down that same path. The sales force and executive teams take the role of entrepreneurs, and get the biggest rewards. Managers are there to steer the ship, not chart the course. The rewards of that may fall above those who are simply assigned to perform tasks, but it's nowhere near the level of those bringing the new business in the door.
Granted, I work in a manufacturing-related industry, so things may be different but a bit "loose" in terms of structure. Management tends to organize the capable employees into groups that can execute the ridiculous specs to which sales staff sell without any concept of technical feasibility or profitability. "Whatever the customer asks for, sell it and let production sort it out". In our industry, managers tend to be skilled & veteran operators - it may be different in others.