These were residenced, so either admins are doing this, or something with the factions are messing with the residence mod, but unless it does, and it messes up horribly and allows warring factions to mess with privated stuff that isn't in the warring factions chunks, then something be broken dawg.
Incoherent sentence aside, my old house was griefed.
This was not in a faction's territory, and is privated.