Guy, bless his heart, often preaches voodoo. His quote essentially means that you don't need to worry about where the revenue will come from -- just create something cool and the money will get to you somehow.

They're saying: BS. Start a business. Think about a business model. Charge users.

(AllTop is an RSS aggregator for a variety of interest areas like Museums, Cigars, and BBQ. There is absolutely no revenue model except for publishing advertisements. Guy, being Net-famous, was able to sell it after about a year's work. Your mileage will definitely vary from that.)