it isn't... that's just the reality of it.
be that at it may, my point is that their display won't be taken seriously.... most folks will either ignore it entirely, think they are trolling, or be offended... there's no benefit for the church of Satan
they should be able to legally put put their display, no doubt about it... but to think they will be taken seriously is simple wishful thinking.
“And I have no doubt that every new example will succeed, as every past one has done, in shewing that religion & Govt will both exist in greater purity, the less they are mixed together.”
~ James Madison, letter to Edward Livingston, July 10, 1822