People
My mother used to say that there are no strangers, only friends you haven’t met yet. She’s now in a maximum security twilight home in Australia.
— Barry Humphries

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
It starts like a sweet bit of folk wisdom about strangers being unmet friends, then swerves into a punchline: the mother ended up in a high-security care home. The joke works by pairing a warm saying with a grimly comic outcome.
Context reviewed