Why does art that looks machine-made still hang in museums?

Is art defined by how it’s made… or by the idea behind it?

Why does art that looks mass-produced still count as fine art? Roy Lichtenstein took Ben-Day dots from comic books — the lowest form of commercial reproduction — and elevated them into museum icons. By mechanizing emotion and even printing brushstrokes, he challenged the idea that authenticity lives in a single hand-made mark.

Is art defined by how it’s made… or by the idea behind it?