The only NT reference I find to anoint or anointing is in James, the elders anointing the sick. THE OT references to anointing the altar are unconvincing in this case, IMO.
Even so, to raise a stink and get the secular authorities involved in the thing is pretty weak on the part of the rector, IMO.
Good thing men like the rector weren't around during the first Passover. Imagine all the hours that would have been spent to get all that blood off the doorposts.The Jews left town right after the first Passover. I doubt they bothered to clean up ...