… this is very interesting to consider … and, to me, connects with the mutability and adaptability of the Mercury archetype, and how this Mercury mutability/adaptability reflects the nature of the mutable cross within Zodiac, which includes Pisces … and which of course have a potential to manifest in the ways you point out when Mercury is in the 12th House or Pisces, etc.
Por ejemplo, si tenemos Mercurio en la Casa II, tenemos que integrar el arquetipo de la Casa II, con el arquetipo de Mercurio. Al tomar en cuenta e integrar estos dos arquetipos, existen muchas manifestaciones posibles contenidas dentro de estos arquetipos.