Because laying the flag down on the ground for people to walk on is art:

Maybe it is art.  I’m certainly not any sort of expert on the subject, but for me art typically involves creativity.  There doesn’t seem to be anything very creative about littering a hallway with American flags to be walked on.

Highlight moment: The provost who confronted the veterans who showed up to provost says the flag is “just a piece of cloth.”

Exit question: Were the vets who showed up to protest clinging to their love of the flag because they’re bitter?