The published suggested dress policy is very clear and simple to understand. At least we believe it is. The policy has nothing to do with whether someone is an experience Celebrity cruiser or not. Others opinions (stink eye) doesn't matter. If the staff at the entrance to the MDR says nothing then so be it. The staff shouldn't have to play fashion police, but...
I get myself in enough trouble not acknowledging what my wife is wearing and what we are wearing is colored coordinated (according to her) for that evening. What others wear (feet, head, body), is way above my job description and paygrade. Now where is the Sommelier. 🍷