Deletion of Frontier (subgenre)

Comment: it's true that some people have discussed frontier-related concepts in the context of science fiction but these sources aren't strong enough (in my view) to substantiate the claim that "Frontier" exists as a defined and notable sub-genre of science fiction generally. That doesn't mean that some games, films and books haven't touched on such concepts as other games, films and books have done in other genres. There is, for example, a strong "frontier" theme to many post-apocalyptic works in a "re-exploration" context. But drawing these disparate parts and examples together under an otherwise unrecognised umbrella term is |synthesis. That we can conduct our own original research and find "examples" is not a sufficiently strong case for keeping this. The fact that experts haven't yet identified a term to "fill the gap" doesn't mean we should
Stance: delete
Cited policy: Wikipedia:No original research (WP:OR)