"that pony sure does love balloons" vs. "balloon fetish" etc.

Background Pony #EB60
I’ve just noticed that the tag that pony sure does love balloons has been getting applied overwhelmingly by one user, followed by one other and a few BPs. It looks like it’s being used in a way that has about 2/3 overlap with balloon fetish, about 1/2 overlap with balloon sitting (maybe more, since a few look to be missing that tag).
Unlike most of the other that x sure does love y tags, it doesn’t seem to be associated with any few specific characters, and moreover, many of the pictures don’t look to me like they’re showing any particular trait of an affinity for balloons.
Does the tag have a use (ie. it’s not a “tag-that-should-be-a-gallery”)? Is it being misused? Could a site assistant see if it’s being watched or filtered separately from the related tags?
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