I think they started off that way and as we've been going through the season their values have gone down a bit, but probably not enough.
For example, it took forever for Nolan Arenado to not be a perfect card and even now he's still a 95. His defense notwithstanding,
he's not even close to being the best 3B in the game.
Many preseason predictions didn't even have Arenado cracking the top 5.
Jose Ramirez is the best 3B (this year and since 2020) and he's only rated an 88.
Yeah, the Cardinals have underperformed expectations, but maybe OOTP probably relies too heavily on
fangraphs (they had Arenado ranked 1st), or whoever they rely on, for their preseason evaluations.