huh?
I wasn’t 
From some of the things the vorts say, like “We are a tapestry woven of Vortessence. It is the same for you if only you would see it.” I’d assume there’s more to this ‘vortessence’ than ethical treatment. However, since it’s not specified wheather “you” implies Gordon or human race in general, I can’t really back this up. (brb, looking at more quotes)
[EDIT] I’m back! “For a brief time you joined with us. You are one. Between the worlds.” I believe this suggests Gordon (and Alyx) have obtained vortessenceness (:aah
at the beginning of HL2 (or end of HL). So, I guess, other humans can’t access those powers.
P.S. I use the term ‘vortessence’ loosely as I have no idea what it means (I guess I shouldn’t be using it at all in that case. Oh, well… :s hrugs: ) I just assume that this ‘vortessence’ allows the vorts (and Gman?) to manage those shenanigans with the timespace.
^this
I must admit I have always thought of gman as human… well -ish. Now that I think of it, that is completely stupid. It wouldn’t be that hard for a different being to appear and sound as a human (and it’s not like it’s very good at either of those things.)

[Another edit] Hey, that explains the cockroaches in BMRF!

, second is that… i’m not entirely sure how to place it into words but it’s kind of cliché but it has to do to the way I saw the ending of ep2. They build up Eli to be the all-knowing character then kill him as soon as the player would have access to this information. This concept has be used over and over in a plethora of movies. Now the main character has to learn what he was going to be told first hand. And when he learns it, it will all make sense. Due to the face we see eli working closely with vorts and his daughter also being close to them I would suspect his attempting to stop, contain the Borealis’es powers conceivable.