The fancy cafe meme plays on unfamiliar furniture: a tiny metal table looks tempting as a seat, while the real seat is a concrete bench. Another customer quietly demonstrates the mistake.
The fun comes from recognizing the mistake before the person in the scene does. A confident coffee drinker has chosen the little table as a seat. The nearby bench makes that confidence look increasingly misplaced.
A regular customer seems completely at home. Their arrival makes the difference between table and seat obvious, leaving the first-timer caught between pretending everything is fine and admitting the mistake.
The payoff is the awkward recovery: the first-timer leaves the table and joins the bench, trying to look casual. The humor is an everyday misunderstanding. Expressions and movement vary in each result; the sample shows the intended mood.