I live in the same broadcast area.
You have to remember something about Delaware, Joe Biden got elected from there and to win you must usually be a Democrat, or have had significant brain surgery, or be gay with a cousin or two working as thugs for the unions ~ oh, yeah, and be IN TIGHT with the shore community real estate and tourist industry (which are all the same thing there)
The odds were against her.
I noticed at the time that she lost with about the same percentages as some other Repubs down ticket. Which means, the ad didn’t make any difference for or against.
I am sure you are right but she should never have been the candidate in order to get optimal chance at success of defeating the RAT.