Well, duh. That's why I said "Mohinder is badass" and followed it up with the three instances that demonstrate his temporary badassery, culminating in the layage of Dania Ramirez. Even my aunt made fun of him for making so many f*ck-ups throughout the show.
Sylar: "Hey, I'm... uh... Brian! I want to help you find the superheroes so I can eat their -- um, y'know, talk!"
Mohinder: "Lol, hey man! Let's go look for teh superpowrz!"
- Multiple dead people later -
Mohinder: "Whyz everyone dead?!"
Sylar: "LOL I KILLED THEM! But I also killed my mommy..." *sniff*
Mohinder: WUT?!
Sylar: "Yeah."
Mohinder: "F*ck. Dammit, u killed my father!"
Sylar: "Yeah."
Mohinder: "Hey, you're like, unconscious. I could totally shoot u now. But I won't."
Sylar: "LOl, u stupid." *proceeds to nearly wipe out Manhattan*
Also, how would NYC getting nuked destroy the world? And who's HRG?