I honestly don't have an opinion for this but can anybody share anything? theories etc.

* this is my analysis and theory* (Correct me if i'm wrong) Yui is basically quantum in the plug as well, but this was her decision she knew of Gendo's and Seele's plan (Human Instrumentality Project). But Yui didn't want that life for Shinji so she sacrificed herself to protect Shinji, And she does...