Reddit was profitable way back. Capitalism would have allowed it to continue on in this state perpetually. Spez got greedy and wanted more money though.
My rule of thumb is that it's the difference between "we provide a service or make a product, and if we do it well, then we make money" and "we make money, as much as possible, however possible, and if we have to provide a service or make a product to do it, that's a necessary evil".