Here's why:
* No official project announced: There are no official announcements or plans from any studio or production company to adapt the concept into an anime.
* Unknown origin: It seems like "Super-Dreadnought Girl 4946" is a fan-made concept, not an existing manga, light novel, or other established source material.
* Anime industry factors: The anime industry is complex, and projects are chosen based on various factors like popularity, potential audience appeal, and financial viability.
However, there are some things to consider:
* Fan interest: If there is a dedicated fanbase for the concept, it could generate enough buzz to catch the attention of studios.
* Similar anime: The premise might appeal to fans of other mecha or sci-fi anime, increasing the chances of a successful adaptation.
Ultimately, the future of "Super-Dreadnought Girl 4946" as an anime depends on a combination of factors that are currently unknown.