So the way I think about it is, everything good that we have in our lives, that civilization consists of, is from our intelligence, it’s not the result of our long teeth or big scary claws.
This seems to conflict with the idea that culture is largely responsible for our success - an idea expressed as follows by Richard Dawkins in 1976:
Most of what is unusual about man can be summed up in one word: `culture'.
Indeed, culture may well lave led to the production of our large brains, according to the idea that big brains are meme nests.
Of course the ideas that brains and culture are our primary powers are not completely independent. Culture requires brains, and many animals have rudimentary cultures, so culture alone is not enough. Indeed even brains and culture are not enough. Whales have both in considerable abundance - but they lack opposable thumbs and so never invented technology.
If Stuart Russell is right then smarter machines are what we need. However if it is our collective intelligence that needs boosting, there there might be other, better ways of accomplishing this besides boosting the individual intelligence of machines. During the agricultural revolution, human development took off when humans crowded together in cities. At the same time, their levels of aggression and hostility went down and they became more sociable. It was networking - rather than individual intelligence - that was most obviously involved.
Machines are now also clustering together - in data centers and in the cloud. They also face barriers to communication and trade mirroring our own hostility, paranoia and distrust - in the form of firewalls and incompatible protocols. It is quite common for machines in adjacent racks to never communicate at all. Humans in skyscrapers are similarly anti-social, but this is hardly an ideal situation.
Theory suggests an obvious way of improving cooperation between machines: use cultural kinship. Shared memes result in cooperation in the same way that shared genes do. If we can (somehow) get the machines to share enough software they will start talking to each other more - and this is likely to accelerate the ongoing machine cultural explosion, mirroring - or rather extending - the human cultural explosion that kicked off for us thousands of years ago.