*AOC landslides one of the most powerful Democrats in Washington by more than fifteen points who had literally the entire establishment behind him as well as millions more dollars*
"God, why is she bragging?!?!"
A little humility never hurt anybody. I don't remember Doug Jones or Connor Lamb bragging after their wins.
As a matter of fact the only politician off the top of my head who has showed similar behavior is Trump.
Also, let's not forget that when asked in a debate if she would support Crowley in case he won she refused to answer. That's a totally dickish move no matter what the politics of the district.