Because every app needs to be the dominant one or it can't possibly make enough money to make a VC happy, which is the answer to all three of your questions. Yo

Because every app needs to be the dominant one or it can't possibly make enough money to make a VC happy, which is the answer to all three of your questions. You want infrastructure, not private networks, and there is no infrastructure, just private networks trying to be infrastructure for rent-seeking purposes.