Most houses around Garner went up between 1973 and 2013, with the center of that curve sitting in 2001, and the area breaks out into six named pockets of housing that lean heavily toward 2000s construction. That matters for a door off its track because torsion hardware, roller brackets, and the galvanized track itself have a service life, and a house built in the early 2000s is now old enough that the original parts are hitting the wear point where a roller finally pops loose or a bracket lets go.
The climate band here is cold-moderate, not the deep-freeze swings you get further north or the sharp freeze-thaw cycling of the mountains, but Garner still gets cold snaps and temperature swings through the year. Grease in the rollers stiffens in the cold, metal track contracts slightly, and a bracket that's already a little loose from twenty years of door cycles finds the gap it needs to shift. None of this is dramatic weather - it's ordinary seasonal swing acting on hardware that's simply reached its age.
Put those two things together - a housing stock centered right around the point where original garage door hardware starts failing, and a climate that adds just enough stress to tip a marginal bracket or roller over the edge - and off-track doors stop being a random fluke and start being a predictable maintenance item for this part of the state.