Seems less clever and more natural.The anon in question seems to take every opportunity to abuse them with their own excrement. Possibly, but not necessarily, to make them stop so he doesn't have to clean up after them.
I picked up ChiiChii from the kana, which I understand being koyukkuri slur what yukkuri call going to the bathroom one way or the other.
These yukkuri seem to prefer doing that outside their home, but now this koyukkuri doesn't have a choice.