But there's a subtle difference between being big enough to make profits and ranking. If you need X amount of business to make profits, why does it matter wheth

But there's a subtle difference between being big enough to make profits and ranking. If you need X amount of business to make profits, why does it matter whether one or two guys make X+ ? If you take your SpaceX example, they need to launch some number of rockets. So what if someone else is launching more? Why isn't the minimum expressed as a % of the market for example?