I don't disagree with you. Saying one sex is inherently superior to the other is, however, false.
Men and women are really pretty much the same thing, same characteristics different enphasis, and both have a full repertory of flaws and shortcomings. Considering, though, our roots in the animal world, bloody of tooth, claw and horn, this is to be expected and we're really not doing as badly as we might.
As for disappointing sex, yes, it happens to both sexes. It isn't automatically good, it has to be, in your words, "done correctly". And the definition of "correctly" has to be compatible between two people. Sex is no longer a mechanic for reproduction, it's a social binding and social things are very complex.
Many women do fail to understand just how intense the sex drive is in men, particularly younger men. For a young man it's often a real effort just to maintain sanity. That's why it's so easy for woman to manipulate them.
This is natures plan, to keep males fighting each other and killing each other so the "most fit" will hoard the women and propegate the species. To nature, there's no need for women to have any power at all.
For better or for worse, since the "Eve-apple event" (or it's scientific equivalent), we are no longer entirely in nature's realm and nature's definition of "most fit" doesn't fit well. Nature's plan has becomes problematic and needs to be subverted. Much of it has been - but more remains to be done.