Many of the same "reasons" presented here were used by the U.S. Army in World War II, and as late as 1952. They are still being used to prevent women from being assigned to "combat" units, in spite of the fact that that distinction has less significance than ever before.
I've separated this post to wonder, aloud, if perhaps we're not talking about two separate things.
"Huh?" --Jammer Six, 1998