No, not impossible. We did, and still do have matriarchal and egalitarian societies. European countries, and countries that are or were European colonies have spread a specific culture around our Earth. Sure it looks impossible because it feels ubiquitous, but once upon a time we also did not communicate with phones by typing into them.
Life shifts.
When I have time. There is a piece I will be writing about gender and the trans movement as a necessary feature for the evolution of our species.
Legacy is knowing that every step is a new beginning, and that your contribution is a link towards a greater change.