They sure did all year. As a matter of fact, they led the league in called holds for their offensive line in 2023.
But, one things the Chiefs coaching staff knows is in the playoffs officials call way less penalties. The Chiefs defensive staff coaches their corners to be sticky and handsy against receivers. And it results in a lot of defensive holding and illegal contact calls in the regular season.
Come playoff time that changes. That's one of Spags' cheat codes. All they have to do is get to the playoffs.