In which situation does a head coach NOT receive a direct technical foul?

A head coach does not receive a direct technical foul for allowing a team member to dunk during pregame warmups because this situation typically results in a warning rather than a formal penalty. The rules regarding pregame warmups express that players might engage in activities that are not strictly regulated before the game starts, and dunking is one such action that is generally viewed as acceptable in that context.

In contrast, the other situations directly impact the integrity and regulation of the game. Allowing team members to leave the bench area can lead to an escalation of conflicts or unnecessary disruptions, which is why it is deemed a direct technical foul. Permitting a team member to wear an illegal uniform compromises the uniform regulations established for fairness and uniformity, leading to a similar penalty against the coach. Failing to replace a disqualified player promptly affects the legality of the gameplay, which is why the coach is also held responsible and penalized.

Thus, the unique nature of the pregame warmup context allows for more leniency regarding actions such as dunking, differentiating it from other infractions that result in direct technical fouls.