> Of course it is an interesting idea to aim at the portion of the user base
> who's needs and preferences you can only guess because they don't actually
> tell you.
Isn't that the textbook definition of marketing?
For any product sold more than a hundred times it holds that most of its consumers will not give you feedback. You have to seek it out and go from statistical samples.
... or invest you marketing budget into making your consumers want what you produce. The standard example being Swatch.