I think I will give up. You completely missed the whole point of my speech.
It literally does not matter if what enemy they use in the prologue, it can be a kobold, imp, or balor, this is not what my post was about.
It's all about tuning. If you have more fights, they must be inherently easier or the player would be massacred.
So the more fights you have to play before the long rest, the weaker each enemy must be. This means that we finally come to trash mobs.
And it doesn't matter what these enemies are, they can be kobolds, imps or balors, all these enemies can be trash mobs.
I know I'm doing it for nothing, but whatever.
If the game was intended for a large number of encounters, a fight like the Spectator would not be relevant. If its health was reduced to 5e, it would be destroyed in one turn.
Which means the entire combat project could be thrown in the bin, as it wouldn't be able to awaken more than one drow before dying.