It's difficult to develop products without understanding customer needs, and it's difficult to understand customer needs without a variety of customers. That's the problem their business model is it solving.
I wonder how practically useful all of this data collection is going to be, and whether doing it will be accurate and result in insight.
Learning about small niches where modest profit can be made (which is where many small businesses tend to fit, IMO) is not the typical/theoretical "scale to the heavens" startup plan, but if just getting ideas is the goal... good luck?