It’s a commentary about available options meaning that beverage makers can not exploit a market without shrinking their own market. If they want to maintain rev

It’s a commentary about available options meaning that beverage makers can not exploit a market without shrinking their own market. If they want to maintain revenue the suppliers will need to ensure they retain their market. In addition if it got to the point where someone priced milk so high that customers were abandoning that segment of the beverage market, an aspiring milk empire builder could enter the market with lower prices. The assumption being made in the allegory is that water and milk fill the same role as “something to drink,” with no qualitative difference in consideration.