What kinda idiots are they? Of course there's wind on the moon:
"...The solar wind easily penetrates to the rocky surface of the Moon, where it can create mischief, largely because it stirs up solar dust. Apollo astronauts were alternately intrigued and annoyed by the wind. They saw auroras above the skyline believed to be dust particles swept from the lunar surface. ..."
I always thought there was a light frame around the flag?