Pluto's influence is important. But, once one realizes that the gender of Aquarian rulership is feminine, not masculine, it obviously belongs to the granddaughter of Greco-Roman Ouranos/Caelus and daughter of Zeus/Jupiter: Ourania, goddess of the Heavens and MUSE of ASTROLOGY. In the Latin, her name is "Urania"--NOT the puny asteroid named for her, but the star-like planet outside the orbit of Saturn, .
It's the Muse who inspires astrological realization, and therefore rules astrology, as well as the Sign .
Ourania/Urania rules astrology. Ereshkigal/Osirus/Pluto regulates it.
So what are you saying? Why does urania matter if Pluto has to regulate it?
Regulate: late Middle English (in the sense ‘control by rules’): from late Latin regulat- ‘directed, regulated’, from the verb regulare, from Latin regula ‘rule’.
Sounds a lot like rulership to me
Pluto rules traditional astrology