No, isekai was just a terrible excuse for her to have knowledge of modern society. Not only does it not really contribute to the story, but it was poorly executed and extremely rushed and then brushed over.
The only things we got out of it are deserts and social reforms(aka, her cheat ability), and a complex dual ego that matters so much that the author MENTIONS it, and then never does anything with it. It's basically just a fantasy, but our main heroine was taught of our scociety via a divine revelation. The other girl is just dead