He pushed too far in being a neoliberal not in being a black President.
Aside from America’s standard dumbass hardcore racists, which aren’t a majority, the folks who disliked Obama were either partisan Republicans, were already alienated from the political process, or felt betrayed by Mr. Austerity (aka Obama). His failure was sticking too closely to the status quo, too willingly compromising with Republicans, and failing to be as ambitious as Americans wanted and needed him to be.
Well, the most ambitious thing he ever did hurt his popularity for years on end. Obama made mistakes but in the end he did seem to strike the right balance between cautious and ambitious. Some work was inevitably going to be left for his successors - with Obama laying the foundation.
Obama’s “most ambitious” plan was sh** and deserved to be reviled.
It's amazing when people assume that Obama had an inch to spare and getting his health care plan passed. 60 democratic voters the Senate, with rebellious Prix like Nelson and Lieberman, a measure that passed the house only through reconciliation and fancy legislator parliamentary tricks. Required and, on it in the middle of a recession when many Americans justifiably said he should concentrate entirely on job creation, and then it passed by a majority in the US Supreme Court. What the hell else was he supposed to do? Assassinate Lieberman so his replacement wouldn't block the public option?