The tag implication #67335 fallout_equestria -> alternate_universe has been approved.
Reason: Fan creations are alternate universes (AU's)
See the Undertale Yellow BUR
Topic: Tag implication: fallout_equestria -> alternate_universe
Posted under Tag Alias and Implication Suggestions
Agreed, also shouldn't imply MLP: https://e621.net/forum_topics/41877?page=1#forum_post_447244