That interpretation is all very nice and prosaic, but to 95% of the Western World, a “Rainbow Cross” means only one thing,
and that has nothing to do with the various regions of Central America. Surely his some of his advisors must know that.
Remember the old days when, as children, we all drew rainbows?
Remember how innocent the act of drawing rainbows was?
Maybe, just maybe, even today, sometimes a rainbow is just a rainbow.