I have been thinking about it for awhile, and I'm finally going to do it. The church is undoubtedly weird in some ways, but it has its upsides as well. It is very community oriented and tries to help people get married. I am going to the young single adults ward in my city. Maybe the church will be a fit for me. We will see.
And if you consider birthrates to be an indicator of cultural superiority, then if you look at the row for Utah, it looks like even Mormons are running out of steam. 2.1 is replacement fertility and Utah is on its way to dipping below that.