The other possibility is that the 15 people he's taking with him are part of the company's top-tier leadership/talent; creative directors, art directors, etc. M

The other possibility is that the 15 people he's taking with him are part of the company's top-tier leadership/talent; creative directors, art directors, etc. Maybe taking those 15 people is cutting off the head of the snake, and there's no one left to steer the ship after they're gone.