there are managers who are playing 90 or more seasons but they are at LV72, not by their own will.
Also in the top levels of the server, you don't know what's your future in the next season.
Might promote every team of the league, might none.
it's not only the stars, there are other things tooRelegation, keeping the loss of stars,
facilities - what's gonna be ? deconstruct the stadium ?
The money ?
Suppose a manager has a secondary team that helps him doing tricks with associations, selling all the good players, relegates and has a big advantage with money and sources.
no mate, it's to complicate and will open a new ground for exploiters than any good for the game.