I agree. I'm beginning to think that a large portion of forum members use their lights everywhere, except out in nature.
Haha, that's entirely possible. I know some are outdoorsy people, but the people here are sure to be a diverse group.
I have no problems with city dwellers neither being city dwellers, understand those considering SOS to be a gimmick for their use case, but for hiking and that kind of thing, it's something else. Couple of things to put the usefulness into perspective...
Even if it's not dark when your group needs help or you run into someone needing help, there's a good chance it'll be dark before help gets there.
Even if you know morse code (sos at least), unless your group is huge, you still don't want to be sitting there morsing manually. You'll be busy. Doesn't matter if it's CPR, setting a leg, keeping blood from escaping the patient, or even just keeping moral up. There's simply a lot to do.
Even if all tasks are well covered with people to spare (unlikely), you might still be the best person to walk for help or cell coverage. A light with SOS can be left with the group, marking their position.
And for the not outdoorsy people...
Even if you don't hike up mountains all week long, you probably drive through remote areas from time to time. If you have a bad enough car crash, this kind of situation might find you, it doesn't have to be the other way around.
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I know there are choppers with heat seeking cameras and all, but did you know that it's still pretty hard to spot people?
Spotting body heat under thick foliage for example, can actually be so hard that people with that very job have been suggesting hikers bring reflective vests to make them easier to spot.
Even if whatever happened on the mountain you're trying to get off of is bad enough for air evac with cameras, signaling can still be a life saver.
You could argue for a plain static beam, but how many other light sources would they then have to investigate before getting to your group? Heck, most CPFers would probably be mistaken for headlights or spotlights.