"Do we really need another..." - every time the meaning of a discussion depends on the value of the word "useful" , the fundamental question is eluded.
There is nothing that permits one to define what is "useful" to man
Human society can have an interest in considerable losses, in catastrophes that, while conforming to well-defined needs, provoke tumultuous depression, crises of dread, and in the final analysis, a certain orgiastic state.
It is possible to admit the historical necessity of vague and disappointing images, used by a majority of people, who do not act without a minimum of error (which they use as if it were a drug) - and who, moreover, in all circumstances refuse to find their way in a labyrinth resulting from human inconsistencies.