Its just that the game is heading fast towards time. And we know in the future there will be more advance products and equipments.
When back in 1987, would you have ever raised this question about Metal Gear being Sci Fi?........ No. Because at that time the game was based on present time, may be a little ahead like in the year 1995 or something. In the story the game has a specific time line and it'll be on that time line no matter what. And as far it goes in time, the more advance and new hi tech things we'll see.
But would stay an action/adventure game.
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