What we perceive as massive gains does not necessarily fit the evolutionary model of massive gains. Many types of spiders can catch a humming bird in their web, but they can't eat it.
Put another way, animals have upper bounds on the positive value they receive from risks. In human terms the first billion is worth vastly more than the second.
Put another way, animals have upper bounds on the positive value they receive from risks. In human terms the first billion is worth vastly more than the second.