>Both arguments seem a pretty clear argument for an existential threat, because as soon as you have even just a human level intelligence integrated that seamlessly with the power of conventional computing, you have something that is much more powerful than most (if not all) human organizations,

Incorrect. Power comes with the ability to command resources, not intelligence. The United States military is the most powerful human organization for its ability to marshal the most amount of deadly weapons. Some rinky dink AI company cannot do this.