Here we see just as many futures in which Blue ends up with the jackpot. And this time Blue manages not to kill himself in branches where he loses. Blue is sad for a while until he makes some more money and gets over it. He isn’t dead. This is obviously just plain better.

If you are an average utilitarian, then it is better to kill yourself if you lose in quantum roulette. It increases your average utility. This is the same reasoning that makes an average utilitarian prefer to kill off the poorer members of society.