unfortunately, what you propose, while I agree, would be ruled an unconstitutional violation of the 1st Amendment.
The Church of Satan is a legally recognized religious group.
Disgusting but true.
Hopefully the people erecting this display will experience the grace of God in their lives and repent.
So is Islam.
The question is how the Founding Fathers would deal with both.
And Jews were legally recognized non-humans in Nazi Germany.
But, I acknowledge your point.