Let's call this shotgun capitalism. It's all the rage over at indie X. It used to be that one had a unique interest, profession or capability. This uniqueness causes them to see a gap in the market that could be filled by a new business. They work on filling out that gap, going as far as the customers and their capabilities will take them. But that's too limiting. Because their interests and their customers might not…
The problem is that feedback is difficult to get without customers. Plus in many cases, the feedback of what people intend to do is not really helpful at predicting what they will do. I'll go with an example from my past: We built a SaaS for freelance photographers to organize and distribute their images. People loved it. We listened for feedback and people loved the new features. But churn was always a bit too high…
What people say and what they do are very loosely coupled. The only really good validation of a product idea is people giving you $.