You likely would be embarrassed by your "prima facia case" if you were to get ahold of some history books and look at some of the old gals who lived in plural marriages.
At the risk of sounding uncharitable, a good many of these fine ladies in fact were old, cranky, weathered, and extremely pug-ugly to the eye.
And Joseph Smith was far too busy -- building up and presiding over the Church; building and serving as mayor of the city of Nauvoo; organizing and sending the several hundred men of the Nauvoo Legion to fight on the side of the US in the "Mexican Wars;" travelling far and wide; dodging tar, feathers, and the hangmen's nooses of mobs; and finally being murdered, along with his brother, after being arrested and held without charges being filed -- to act on the purported "lust" you falsely attribute to him.
If you want to throw stones, at least get the history right. It's there from numerous non-LDS sources for all to see. And stop embarrassing yourself. in a manner that is unbefitting of a child of God....