Lucy Gets a Paris Gown - S5-E20
Visible crew/equipment: Lucy is walking around the living room, assembling a sandwich from food she's hidden in various places. When she tells Ethel that they're low on lettuce, the shadow of the boom mike is visible behind her.
Answer: There is no reason. It's a just a silly plot device, typical of the era. Women characters were often portrayed as making uninformed assumptions or decisions.
raywest ★