I sometimes go solo wild camping and I've had a few moments where I've thought "shit, I'm actually in trouble here". My country is small so even in the wilderness you can usually get signal of some sort. But I never called for help, due to a mixture of embarrassment and not wanting to waste time and resources for a problem I created myself. Not including the countless times I've simply gotten lost.

I always got out fine by myself in the end, but I can totally see how people end up in some pretty bad situations or maybe even dying without calling for help.