The dust is so thick that it's impossible for anyone to see through it, so the guys have to use their senses to find out where the heck they're supposed to be. The guys can't even see him because he's so blinded by it. He's not even able to hear them, so they have to rely on his senses to figure out where they are. The guy is so confused that he yells at the guys to get rid of him ASAP.