The USMNT stumbled in its final preparations for the World Cup after failing to find the target in either of its international friendlies this month with a 0-0 draw against Saudi Arabia and 2-0 defeat to Japan.
"You can't trust Pulisic," Dunseth said on his weekly podcast.
"As much as you want to believe in Pulisic, as much as he's been hyped to be the everything that everybody thinks he can be or wants him to be, the reality is he's not.
"He's a really good player but he's, he is a complimentary piece. He is not a focal point and that's what people have to understand.
"[The guy] that becomes the tempo player, the connecting player, the guy that's going to create something out of nothing, the guy that's going to hit a final pass every single time or is capable of the final pass every single time."