Perhaps her handlers sense what's coming.
Not worth the trouble, even if they could still persuade her to do it.
You make a good point. The dim braintrust may be telling her that her shenanigans is killing the down-ticket. If you believe any of the polls, a 20 vote House majority and a 55-45 senate is a remote possibility.
But... if there is any desire to win, you'd think they'd throw the dice. Of couse, Rogan is brutal with bullshitters though.