People
The only thing I like about rich people is their money.
— Lady Nancy Astor

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
A sharp quip separates wealth from the people who possess it. The speaker admits liking their money while withholding every other compliment. The word 'only' does most of the work, turning what begins as an expression of liking into a compact insult.
Context reviewed