I think you can blame the Vong on the art... He's pretty true to who Kyle's kicking the crap out of in the comic they're from. Kyle is almost a fan wank, as they're really trying to deliver EU in the comic packs from various sources other than comics. Kyle looks like this in that comic, however his other EU established that he has "aged" by this point. He had grey in his hair before the NJO era if I'm not mistaken.
I think this set's mostly about just getting a Vong army builder to people, and resclpting Kyle without taking him away from his true origins in terms of look and things. This is complete Video Game Kyle, probably because the Artist didn't know any better, and I think Hasbro jumped on the chance to update the character. I'm pretty ecstatic.
I thought the Vong looked good but I thought they wore helmets and things too. It is what it is... I didn't think they looked much different than this.