Dude you are so wrong. What do you do when you have wave after wave of lightswitch thralls coming at you? Radiance and grenade spam the b!tche$. What do you do in the hypogeum strike on mars when waves of goblins come out the portals Grenade spam the b!the$ and block that portal. Grenade spam is like a temporary primary weqpon which is very effective against stealth vandals, pinch points, legions of enemies that just don't stop, etc. There is no other super that gives you that quantity of action at a distance with both effectiveness, safety, and team reinforcement with orbs galore.