People
I have the simplest tastes. I am always satisfied with the best.
— Oscar Wilde

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
A joke that sounds humble but isn't. Calling your tastes simple while insisting on only the best turns modesty into a boast about luxury: the speaker is easy to please, provided nothing but the finest is on offer. The humour sits in that tidy contradiction.
Context reviewed