It is specially useful, it is not especially/generally useful lol It could be a typo, though I think when we say something "isn't specially/specifically/partic

It is specially useful, it is not especially/generally useful lol It could be a typo, though I think when we say something "isn't specially/specifically/particularly useful" we mean "compared to the set of all features, specifically this subset feature is not that useful" not that the feature isn't useful for specific things