There are other things besides personal financial profits. Think of them as taxes to maintain Internet working and flexible.

If you don't pay that tax, you're personally contributing to a future when simple documents become full-fledged programs, and everyone lose abilities to easily manipulate and interact with them in any but author-defined ways.

There are cases where you can be exempt from that tax - if your site is not about documents, but their transformations, i.e. it's more of a process, not data. (Then you should call it app, not site). But vast majority of sites isn't.