When will investors learn to separate hype from what's possible - Augmented reality, blockchain, self-driving cars, AI? The reality on the ground is a lot diffe

When will investors learn to separate hype from what's possible - Augmented reality, blockchain, self-driving cars, AI? The reality on the ground is a lot different than all these startup peddlers have you believe. This makes it a lot difficult for people who are actually building useful things raise money.