There cases in Europe when it was argued whether a cross on the neck is permissible as ornamental jewelry or still too offensive. The question whether a crucifix worn for the purpose of identification with Christ is offensive: everyone understood that it would be. The setting was hospitals and perhaps schools, and in one case a TV anchorwoman attire.
Soon, very soon, your prediction will come true.
I’m no Christian, but it offends the hell out of me that they are suppressing free speech and destroying an historical landmark in the name of the 1st Amendment.