I believe that, over the past N number of years, Scott and I have shown an AMAZING unwillingness to take anyone's money for this site. At this point, it's a pet project; a side project. We both have other things that take up far more of our time, and I honestly don't think that either of us -- individually or together -- are willing, ready, or able to sink more time into the code for the foreseeable future.
It's not the world's greatest piece of forum software. But by and large, it works. And that's good enough.