Or maybe they just seem rather, uh, simple. If you are saying you this is a serious programming language, shouldn't you be able to show several large, complex and commonly used application - by now?
I, too, studied fp in grad school, fifteen years ago now. "Where's the beef" can seem like a cheap but if you have ... beef, it should be easily answered.
I'm curious how several design problems, such as DB access and authentication, have been handled...