Fog is pretty terrifying, only thing that was worse for me while driving was very heavy rain with wind in the dark, I could feel the car counter steering while going very slow.
Otherwise, on the metaphorical level I completely get it, humans have a tendency to perceive thing in a negative light leading to wrong decision, whenever I have those issues it's good to sleep them off and start with a cool head.
This is a great point. We should try to not make quick, irrational decisions. When we are not thinking clearly, it is best to step back, cool down, and recalibrate our perspective.