For some value of "massive", sure. But for any value of massive, it's 1/10,000th that value. Then you factor in the value derived from taking that risk, and the

For some value of "massive", sure. But for any value of massive, it's 1/10,000th that value. Then you factor in the value derived from taking that risk, and there's your choice. The reality is that I don't expend huge amounts of effort avoiding tail risks, and you don't either. You might for the ones you're explicitly aware of, but a risk is a risk whether or not you know you're taking it.