I'm not.
Point to me where it says "if the villian is a fighter, his henchman have longsword." "If your villian worships your god of war, he probably has an axe and all his martial henchmen might be orc berserker, human blood knights, and dwarves beastslayers"
How many DMs have organization charts for the various enemy groups of a dungeon? Or have wikis with the various info of allied and hostile NPCs.
The modern style focuses on Step 4.
If your enemies are interesting and active, you can have a memorable "end" every 1d4 sessions. Much how a TV show makes a memorable end every 1-2 episodes.
You can't do really the Hickman Manifesto without the NPCs to display the ends.