I think a better way to think about this is to separate your company from the products you build. Ask yourself what does your company do, and how your products accomplish that goal. In a lot of startups these days the product is the company which leaves you with absolutely no wiggle room.
"Spend a few weeks hanging out in bars and cafes asking what people do and you’ll hear some of the most idiotic business ideas in the world. A lot of journalists use this argument to call San Francisco an echo chamber whose sole purpose is burning money. And you know, they’re right. This city does burn through money on terrible ideas. But that’s a tradeoff for fostering a city of people who believe they can do anything."
There's something to be said for inadvertently confirming that tech is in a bubble. "Here, just buy this house on an adjustable rate mortgage, then flip it for bucks!"
Nevertheless, I thought the author made a good point about building the future.
When you focus on a need that can never be perfectly met, you will always be able to improve, and you will always be in demand.