The villains, (SEELE) a secret organization who secretly control world governments, want to fuse all humans in to one to bring back their satanic god.
Now look at whats happening. They want to fuse men and women with transgenderism and nonbinary shit, they want to fuse countries and remove borders and create a one world government and they want to fuse races with race mixing.
If you know your esoterics, Fulcanelli's master supposedly became an immortal being by transforming into an androgynous form that was neither male nor female. Considering how hard the global elites bought into that shit a century ago I suspect that this is more what they're in line with. Either that or my original theory that the aliens are gay androgynous space communists and only help out species that are androgynous space communist enough, so the world leaders are falling all over themselves to make it happen.
The plot is trying to reunite the angels Adam and Lilith. It's unification propaganda