I hate to put it this way, but a electing a black man as President trumped electing a woman as President. The Democrats are so tied up in identity politics, they were willing to nominate a back-bencher from the Illinois Senate that stumbled into the US Senate simply due to the color of his skin.
They nominated a candidate that is quite possibly the least qualified for the Presidency in modern times. But, they got what they wanted -- someone that was willing to mostly play golf and do what he was told to do by party insiders.
His one "signature" legislation was rammed through Congress without a single Republican vote, and thanks to the chicanery they had to play to get it passed with no debate after losing the 60th Senate seat, it was one of the worst pieces of legislation ever enacted.
Your analysis is spot on, I think
In the end, he did what he has always done...agitate, divide. Enflame, it is the only thing he knows how to do
History will judge him harshly.