I would certainly give them a lecture on proper composition and sculpting. But... that's hardly the primary concern, of course. Either they're being created by some form of magecraft we're simply unable to detect in our current state, or it may be some kind of spirit form, or Presence Concealment...

[She is a bit pissed that her own magecraft capabilities have been stunted, while the people operating this town flaunt similar abilities to her own or other Heroic Spirits' right in front of her face. How rude!]

There's not even any logic to their placement! If this is some kind of puzzle or clue to what's going to happen when Christmas comes, it's a very annoying one!