Rumors still going around that Michelle Obama

Will throw her hat into the presidential ring at the last moment.
What I fail to understand is why many people think she is so great?
Other than being a woman of color and former first lady, I don't see her being able to lead the country.
While I would admit, almost anyone would be better than Biden, I just don't see MO as that much of a step up even if she can speak in coherent sentences.