A lot of things in academic writing are awful. Passive voice, for instance. Who didn't fully achieve it? These authors or all of humanity? And yea, the sentence

A lot of things in academic writing are awful. Passive voice, for instance. Who didn't fully achieve it? These authors or all of humanity? And yea, the sentence is so safe that it really has no meaning because "not fully achieved" is consistent with both "not achieved at all" and "almost perfect".