Not exactly. There are new stars born every minute, so even if a couple of the big labels decide to sit out for a year or two they can easily get back in the game later. They can watch which mistakes the competitors make, think of new and better ways to adapt to the shifting music market, and so on.
It's better to make no investment in the future than to make investments you know to be bad.
It's better to make no investment in the future than to make investments you know to be bad.