They only need to throw one or two counties - Fulton or Dekalb - into chaos, and they’ve got the groundwork laid. After 2020, the legislature voted themselves the power to take over county boards of elections and immediately started investigations to show that Fulton’s board were incompetent. The state board now lets and random county official contest certification, more or less guaranteeing chaos and calls for the legislature to take over. Throw out Fulton County, and Georgia goes back to solid red.
If you’re technically inclined, Big Clive has a tutorial for ‘fixing’ most bulbs not to overdrive the LEDs by removing or changing a single resistor. https://www.youtube.com/watch?v=5HTa2jVi_rc