Dunno why he thinks this: "At the core of the notion of a superhuman intelligence — particularly the view that this intelligence will keep improving itself — is the essential belief that intelligence has an infinite scale."
The notion of self-improvement is both powerful and not assumed to be 'infinite'.
I figure it goes like this:
Q. Is AI potentially dangerous? A. Yes.
Q. Will it be human-like? A. Probably not.
People tend to couch these discussions as a series of anthropomorphisms.
That's my take, although I don't own $1000 worth of computers all added together.
I'm always surprised when people use laptops for professional work as I've always had great honkin' company-supplied desktop machines. Generally, if something breaks (which is super rare) the main cost is the time to rebuild an environment.
Of course in that case, Roger Stone's guy would have won handily.