"Rarely mundane"? Are you kidding? The series starts in a junkyard!Classic Who was rarely mundane in any way, but there was the very casual mood of the main character. Completely differently distinctive.
ISOBEL: "Hey! That's a jolly outfit. Would you mind posing for me?"
YATES: "Fancy a dance, Brigadier?"
BRIGADIER: "It's kind of you, Captain Yates. I think I'd rather have a pint."
"My father, he was a cane cutter. "
"Exactly. Now, if no one had used sugar, your father wouldn't have been a cane cutter."
"If this sugar thing had never started, my great-grandfather wouldn't have been kidnapped, chained up, and sold in Kingston in the first place. I'd be an African."