Well, he does run a dating site with millions of users and a staff of 1.5. He couldn't listen to users even if he wanted to. Additionally, the majority of his users are transients (online dating = if you are successful using the product you should never be back) and any long-term user community he builds up is almost pathological by definition (see earlier point).<p>Contrast this with your typical business: your best customers are the ones who join early and stay <i>forever</i>. Customers have an interest in the site/software continuing to evolve because they anticipate they will continue using it. Long-term customers are excellent sources of feedback because expertise with your problem domain is something to be sought after and carefully cultivated, rather than a black mark.