I see that no one has bothered to mention the most important point:
YOU NEVER EVER CLIMB ALONE!
Also: No PLB, probably no survival kit and no basic first aid kit. Being able to splint or strap the ankle increases your mobility drastically.
To be fair to the gentleman, he showed gut's and determination after it dropped in the pot. That counts for something. But he was very nearly a statistic.
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I don't do dumb & helpless.