It's not so much a courtesy call as a cry for help from every corner, nook, and cranny that hasn't been cleaned in... forever.
Reaching for a cleaning wipe is so much easier than tracking down the disinfectant spray and paper towels-especially when the container is cute enough to stash on your kitchen counter or in your car.
Fingerprints and dust can make glasses uncomfortable to use, while careless wiping may scratch lenses or damage coatings.