This has been discussed in other forums, and the general opinion is yeah, the Combine could've done it. They had surprise, which is a helluva weapon, especially in the hands of an alien race. By the way, remember all the synths you saw walking around in the citadel? The ones you didn't see...
there, there... there are lots of other Lamarrs in the world... like the one behind the crate. See that one? Look he's waving! He's jum--AAAAAAAAGGGHHHH OH GOOOOOOOOOD!!!
maybe there was some hero-worshipping on Alyx's part too
"oh man... the REAL Gordon Freeman...."
You know, like Mossman (only SHE had the hots for Eli)
A good argument, but to the Xen and Combine, we are also aliens. Our planet is different, our bodies work differently, and so do our wildlife. Vortigaunts have natural combat abilities, and don't require factory augmentation like humans (who are primarily tool users, thus reliant on technology)...
Yeah? Cool! Where'd you get your info? A serial novel or something? What's the title? :bounce: Gotta get me one...
:sniper: MARINES!!! WE ARE LEAVING!!!
Of course it doesn't call for a theory. We're just having fun speculating what happened to the cat. The conversation was generalized, leaving only enough details for the PLAYER (and Alyx) to imagine what horrible fate befell the cat (beautiful scriptwriting by the way). Which is what we're...
His speech is pure public relations, or what government officials call "playing to the masses". He's trying to calm them down and make them think "hey, he's on our side, let's forget all the problems that give lie to his statements and be happy living in horrid conditions".
But some people...