Just because there isnt tons of expository cutscenes doesnt mean there wasnt loads of intel, voice logs, and database files you could find if you wanted to
The idea was to put it there if you wanted it, but keep it optional if you didnt.
Man, love Doom 4. So upset reviewers only judged it mostly for the multiplayer.
The opening few minutes set the pace for the game's story.
Guy tries to give exposition through monitor. Doomguy punches monitor. Killing demons begins.