The original Doom was released in 1993 for DOS [1]. The iPad came in 2010 [2]. Siri was only released in 2011 [3].
[1] https://en.wikipedia.org/wiki/Doom_(1993_video_game)
[1] https://en.wikipedia.org/wiki/Doom_(1993_video_game)
Edit: my muscle memory of right hand on mouse, left hand on asd, starts tickling when seeing these video's after 'bring 'm on' is clicked.