It says "fill the earth"; so one could argue that once the earth is "filled" (meaning, has as many people living on it as it can reasonably support), then the "

It says "fill the earth"; so one could argue that once the earth is "filled" (meaning, has as many people living on it as it can reasonably support), then the "increase in number" directive will no longer be active; and that the mission will switch to maintaining a healthy population.