First off, I wasn't aware of the existence of "Sufism Reoriented", much less that it had a recognizable symbol that could be placed on a "Headstone, standard issue, DoD, One Each". In light of this factoid, the problem faced by the families of dead veterans who professed to be Wiccans is a little baffling. What's the big deal about putting the pentacle on their tombsones?
Look, if a worshipper of the Great Pumpkin goes to to the Big Pumpkin Patch In The Sky while fighting for your right to go to whatever church you want to, or none at all, then don't disrespect his sacrifice. Just shut up, be a mensch, and put the friggin' Pumpkin on his headstone like he wanted, okay?