Not sure why you got downvoted, it is a fair question. Real time multiuser editing is a powerful feature. That said it is really only needed a small fraction of the time for specific types of collaboration. Also, it can cause problems as well. Libreoffice Calc meets most of my home spreadsheet needs: calculating mortgage rates and future value of investments and such.
So you’re saying the ad driven internet will die? And we will be left with what? Wikipedia and Lemmy? I for one welcome our AI overlords!