No, the Cardinals do not have the offensive leadership in order to win the Super Bowl, and though their defense is good, when faced with the outstanding offense that is the Denver Broncos, they allowed 41 points.
Stanton has hardly any NFL experience, and has none in the postseason. He is not seasoned enough to lead them to a title. When faced with a good offense such as the Patriots, Colts, Broncos, etc. Stanton will not be able to put points on the board to stay competitive. That being said, Arizona also has a below-average run game. With a below average QB and running backs, they are in no condition to win it all. If you look at the stats, in fact, Arizona is either average or below average in almost every category. The categories they're doing well in include: 9th in punt yards, which honestly isn't very important, 11 in passing, due mostly to Carson Palmer, and have a good ratio of turnovers lost to turnovers won. Pretty unimportant figures. On the other hand, they are ranked 31st in rushing yardage, 32nd in return yards, and 32nd in total tackles. Now when a team has a run game ranked 31st in a ground-focused league, there shouldn't even be a question as to whether they can come out on top. With Palmer they had a chance. Without him, there's nothing.
As my opponent has forfeited all rounds besides the initial one, my arguments are the only ones that have been made. Without strong leadership at the quarterback position and a run game that is mediocre at best, the Cardinals are unlikely to win. On top of that, with how unpredictable the playoffs are, even teams with very good records like Arizona often lose.