Most of the housing stock we work on in this area went up between 1969 and 1991, with a median build year around 1972. That means a lot of openers out there right now are second or third-generation replacements bolted onto original hardware from a house that's now over fifty years old. The chain-drive units sold in bulk through the 1980s and 90s are aging out at the same time across whole streets, not one house at a time - so when one fails, the neighbor's is usually close behind.
The cold-moderate climate here adds its own wear pattern. Winter temperature swings stiffen grease in older gear-and-sprocket openers, and that's when the plastic drive gear - the cheapest part in the unit - strips. Owners hear a motor humming with no door movement and assume the opener is dead. Half the time it's a two-dollar gear, but the housing is old enough that finding a matching replacement part isn't always worth the labor versus swapping the whole unit.
This pattern shows up the same way whether the house is inside Danville proper or out toward Junction City, Burgin, Harrodsburg, Stanford, Lancaster, or Wilmore - the building era and the winters don't change much across that stretch.