[@SiliconColt]No, you're not wrong about it.

Even when I used to GM on other forums, I was the exact same way and no one had a problem. 
A GM is the world; they breathe life and take it. The players are there because you allow them, and the same for the creatures.

You are nature, and as such you act as it. 

Translation: You're doing fine, a GM is supposed to control general NPCs and reactions in the heat of battle situations unless instructed otherwise. 

Edit: In DnD. A player does not control the life, only themselves. The GM controls the NPC's, enemies, entities and bosses.