They tried. Handel’s campaign was outmatched massively in money. The Trump PACs tried to come in, but they did more harm than good with a terrible and distracting ad that tried to attach the Washington shooting to Jon Ossoff. They did nothing on the ground.
Meanwhile, Democrats poured money into the state and launched a massive air war and ground game.
It was the Congressional Leadership Fund that defined Ossoff early as an out of district carpet bagger. The CLF continued that message into the runoff and tied Ossoff to Pelosi, who is as unpopular as Trump in the district.
The Congressional Leadership Fund, controlled by Paul Ryan, once again saved the President from a round of press coverage declaring him poison to the GOP.