Why Kirk Cousins gets criticized more than other quarterbacks?

Why Kirk Cousins gets criticized more than other quarterbacks? Is Cousins contract actually a bargain?; Cousins vs. Stafford; Why the offense needs to be better and not just the offense!; Could the Vikings actually move up?; Why drafting a receiver doesn’t make sense See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.