In all honesty, I think it's a matter of timing. When X-COM originally came out, the level of nitpicking and griping that the anonymous internet breeds simply didn't exist. We were more forgiving with our entertainment--tweaking minor details in our minds so that they seemed more enjoyable.
Whereas today an intro would be pulled apart 18 ways to Sunday, with every frame analyzed, and scores of comments about the haircuts, uniforms, weapons, sound f/x, aliens, lighting, staging, etc., in those days we would watch and go, "Cool. That put me in the mood to fight aliens."
