Here's one I've always liked, along the same lines, that tends to make even the most committed utilitarians pause: You need to build a driveway up to your new house, and there are two possible routes, each one with a single maple tree in the way. One of the trees is very old, but quite healthy, standing at least 50 feet high. The other was just planted a few months ago, so is still quite small. You're not the one tha…
The baby has no value, it won't be able to help with our decision making process to get back to shore, it won't be able to solve problems we may find along the way, if we get stranded somewhere it won't be able to build shelter or find food. At that point the baby is nothing but dead weight that requires a constant amount of resources without any returns.