The fact of gaining feminine features. The phenomenon manifests itself at the individual level, and at the historical level as well. At the individual level it turns a man to a shemale or a ladyboy and he ends up gay or not (he can also remain hetero and be attracted to he-females, or be bi). At the historical level it has to do with the emergence of feminine priorities in the world, and with the global increase of the ordinary (rather than political) power of women.
That fetish studio practices intense feminization.
The global rejection of war has to do with the irreversible feminization of our frames of mind.