I would scarcely call builders aliens, nor office workers from the 50's.Well, that's what happens when you allow alien cultures to propagate within your country. Especially cultures that are renowned for treating women as either second class citizens or objects.
I mean i can understand the reasoning when you go back and watch what they were like back then compared to now, they smoked in the office, they drunk in the office, they groped the young secretaries.
**** me I've just described Number 10 today.