It's a great idea, and human beings are proof that conjoined colonies of intelligent agents are going to be smarter than individuals. But it also runs up agains

It's a great idea, and human beings are proof that conjoined colonies of intelligent agents are going to be smarter than individuals. But it also runs up against tradeoffs, as evidenced by the fact that many humans exist, and we didn't evolve into just one giant ur-human, even after we all got our internet implant. Sometimes a few agents with different strategies working independently is better than a single agent choosing amongst the strategies of several others.