Earlier quoted context omitted.
Broken window theory of dress. Poorly dressed uncaring people attract more of that behavior and the poor attitude bleeds into other interactions.
But how far do you go? Using that approach, people 100 years ago wearing a suit and tie and a hat would probably want to ban what we wear today, on the grounds of broken glass theory. Yet we are (I presume) law abiding citizens here, etc.
It's still essentially the same rule. Something like "Dress according to society's expectations" where it's the expectations that are changing rather than the rule. It's a meaningful difference because ultimately the signal is something like "I can meet the basic expectations of social interaction and human behavior".