A large number of people co-operating can perform tasks easily.

If too many people participate in a task, especially in a leading role, the task will not be done very well.

(idiomatic) to be involved in many, or too many, different things.

Too many leaders or managers and not enough people doing actual, useful work.

Alternative form of there's many a slip twixt cup and lip

Alternative form of too many chiefs and not enough Indians

Alternative form of there's many a slip twixt cup and lip

Alternative form of too many cooks spoil the broth

Alternative form of too many cooks spoil the broth

Alternative form of too many cooks spoil the broth