...So if they knew that their probability of becoming rich from trading was essentially zero and at BEST was that they would make a living wage would they be OK with risking their life savings? ...
It seems you are making a lot of assumptions here, such as that the majority of people who go into trading know that 5% statistic in the first place, among other things.
You are starting to sound like someone who has lost money doing this, maybe more than once, and are lashing out in a non-specific or non-committal way. Just a guess.
