Garage doors in McDonough don't fail at random. Housing stock here spans 1938 to 2007, with the median build year sitting around 1976, and most of it is concentrated in 1960s and 70s construction spread across the county's seventeen named areas. That means a lot of original torsion hardware is still hanging in garages that are pushing fifty years old, paired with openers and tracks that have been patched piecemeal over decades rather than replaced as a system.
The climate here sits in a cold-moderate band - real winter mornings, hard frosts some nights, but not the deep freeze-thaw cycling you'd see further north. That combination is rough on garage door springs in a specific way: lubricant thickens in the cold, steel contracts just enough to change spring tension overnight, and a spring that was already fatigued from forty years of cycles finally lets go on a 28-degree morning instead of a mild one. It's not that McDonough doors are worse built. It's that a lot of them are old, and the cold snaps here find the weak link first.
Homes built in different decades also used different door widths and mounting standards, so a fix that works on a 1968 house a few streets over might not fit a 1995 build down the block.