Well yeah. At a certain point you've got to be really honest with yourself. Like 'Why am I doing this? What are my motivations?' Like if you get into it because you want to be famous? Then you've got a long row to hoe. But if you really feel like it's a labour of love and it's something you're actually legitimately good at then it's not that hard to keep plugging away.
For the first time we're allowing developers who don't work at Facebook to develop applications just as if they were. That's a big deal because it means that all developers have a new way of doing business if they choose to take advantage of it. There are whole companies that are forming whose only product is a Facebook Platform application.