This, but it's not only about the additional work but often about additional responsibility.
Taking responsibility for decisions that actually fall within your manager's area of responsibility often puts them in a very comfortable position. At least if they trust you and don't question your loyalty, which is exactly what you also try to reassure them if you want a promotion.
However the net effect is that it's a reliable way to get stuck on that rung of the career ladder indefinitely.
Taking responsibility for decisions that actually fall within your manager's area of responsibility often puts them in a very comfortable position. At least if they trust you and don't question your loyalty, which is exactly what you also try to reassure them if you want a promotion.
However the net effect is that it's a reliable way to get stuck on that rung of the career ladder indefinitely.