The problem with this argument is that it puts us in a very tenuous position: humans need to get over every resource squeeze. Any critical limit that we don't f

The problem with this argument is that it puts us in a very tenuous position: humans need to get over every resource squeeze. Any critical limit that we don't find a technological workaround for in time becomes an extinction threat. In other words: you need to be right every time, I only need to be right once.