Essence is described as tributes of somethings, and implies they share the same attributes. That is not an adequate basis for the Trinity."Essence" implies they're not entirely "distinct".
Biblically the Father, Son and Holy Ghost are described as different and distinct. This id not much different than some forms of polytheism in Vedic culture where the different Gods share the attributes of the Brahma. Polytheism is polytheism you cannot dress it up in something to make it something else.
Yes, and it is not the Trinitarian multiple GodsClearly you don't understand the fundamental truth of Christianity: there is one God.