I am not sure if that's accurate based on the researchers I read and listen to.
> AGI will be an alien intelligence
Possibly. Remains to be seen.
> and will almost immediately surpass human intelligence.
There's no proof that will be the case, we just assume that because of the advancement of technology in the past 50 years. It may well be an accurate assumption, then again it may not be. This is very much a case of, "We won't know until it happens."