Yeah but what about the remaining 94 to 83% of regular people who rightly judged their ability to judo-chop a bear to death? Or does having the self-awareness to know you probably can't win against a bear make you abnormal? I didn't miss the point, I scaled the challenge. Because a bear is much less threatening and dangerous than a 20 ft giant.

Listing that stat is just assuming that adventurers are mainly pulled from the 6% group who, once they get their hand on a bit more power, would try something even dumber. I don't think that is reasonable.

And the backgrounds in most RPGs are so varied that you can't map it on to any amount of training. A background as a soldier might mean you spent years fighting and then you start as a level 1 fighter, so it took you decades to reach level 2. Or you could be a farmhand and then, after a couple weeks of travel later, you're now a level 2 sorcerer. A year of serious BJJ training is rather generous.