> Do they have huge profits because of not having enough competition, or because they don't they have to return profits to the investors? Apple has huge profit

> Do they have huge profits because of not having enough competition, or because they don't they have to return profits to the investors? Apple has huge profits and a cash pile despite a) having lots of competition, and b) returning profits to investors via dividends and share buybacks. Perhaps there are more options than the two you present?