Listening around I so often hear stations missing answers to their CQ calls as they don't take time to do careful listening, or are using narrow filter and a station replies off frequency outside of the narrow pass band. We have been given the best filters in our head, our ears and our brain. Let's use them! It's not to say that filters cannot be used when really needed, but by default, start out with a wide filter. It's also not a bad thing when someone calls a little off-frequency, so long as they aren't causing QRM, as any QRM is not likely to zero beat with both stations… and so if QRM develops one station can ask the other to QSY up or down to continue. Plus, is not the sound of static nicer than the sound of a narrow filter? Yes, local noise is a good reason, and also strong QRM near the frequency, but I think often OPs use narrow filters out of habit and miss out a lot?
Don't use narrow CW filters by default