I guess you believe in nature "running its course" when you have angina and need a stent. Or cancer and need chemo?
Can we just kick you to the side of the road?
The most adventurous derring do that got us all here was the men who left in boats to explore the unknown.
Society underwrites this kind of activity from space exploration, air flight and so on.
Besides there is nothing quite like hanging on every report hoping they will be found.
Plus they have Mammas,,you wanta tell their Mamas that it is too much trouble and expense to save their boys?
I'm not a proponent of evolution, if that helps.