LaGrange, GA, location of the new plant, is in the WSW part of the state, and there are a number of other firms with giant plants there, including Hyundai, Kia, and Honda over the line in Alabama. Just last year, Hyundai broke ground on a massive, 2,900 acre EV plant on the other side of the state (Savannah). Certainly, one could live much cheaper there than in more attractive places in Georgia, so employers can get away with paying less.
From low Earth orbit, the Remington facility doesn't look very big, and if you figure in the number of cars in the parking lot, probably < 75 staff? Just a guess.