Great lets move from Google to Wiki.Your definition excludes oversimplified which is my whole beef with the term. I dont think you know what it is.
https://en.wikipedia.org/wiki/Mansplaining (which uses Dictionary, and Merriam-Webster site definitions in the first paragraph)
to comment on or explain something to a woman in a condescending, overconfident, and often inaccurate or oversimplified manner
Your entire beef about the term .. is solely rested on the use of oversimplified used in its' definition? ... Uff da.