I guess the dude wouldn't have got as much newsprint if he speculated "Maybe it was just an accident...?"
Another one of the "I think I found Atlantis near Cuba" crowd.
Nothing to do with atlantis and he is not suggesting it.
It isnt like finding archimedes spiral on a rock in africa or easer island, the minoans have influenced the greek in a great manner.
To find two identical spirals among two cultures of which one was the older and was known to have influenced the other (and perhaps vice versa) is enough to raise questions concerning the origin of the spiral.
And the math that it required.