>> But the supermarket is a walled garden too. From my perspective as a customer there is no wall. I am free to go to any other market and pick from their mus

>> But the supermarket is a walled garden too. From my perspective as a customer there is no wall. I am free to go to any other market and pick from their mustard selection. Or I can grow and mill my own mustard at home. That would be like Apple allowing me to use competitor app stores and even install my own open source software.