I'm of the same opinion. This makes the old adage; "words matter" come home to haunt those who forget that. From her former position, with a liberal think tank, she likely never considered that her lampooning of the right might have future consequences.
Time to move on.
"A pessimist sees the difficulty in every opportunity, an optimist sees the opportunity in every difficulty” ---Sir Winston Churchill
"Political extremism involves two prime ingredients: an excessively simple diagnosis of the world's ills, and a conviction that there are identifiable villains back of it all." ---John W. Gardner
“You can’t go back and change the beginning, but you can start where you are and change the ending.” ---C. S. Lewis