Я тут пытаюсь написать некий текст, хотелось бы услышать комментарии

Suppose there are two groups of people A and B, and some service which is more beneficial to A than to B. You find it unfair and decide to provide better service to group B.
If you are pro equity, you are optimizing for f(A) with the constraint of f(A)=f(B). If you are pro efficiency while taking into account equity, you are optimizing for min(f(A), f(B)). If you are pro efficiency not taking into account equity, you are optimizing for the average of f(A) and f(B), weighted with the group sizes

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A practical example is public restrooms. Having separate two gender restrooms of equal size is the baseline option. The problem arises because women spend more time in a restroom for physiological reasons, and female restrooms collect long lines. The "equitable" solution would be single use cabins, but their throughput is even worse than the traditional solution: now both males and females suffer. Probably an optimal solution would be a mix of urinals and cabins, but it is not what the woke crowd likes