“The orchos tzadikim is an important sefer and everything in it should be taken seriously when one is working on one’s self. When one is dictating dress codes to others, however, one is required to prove one’s position from a halachic source. And, obviously, the burden is on the dictator”
I am very far from dictating dress codes to others. But as you said the Orchos Tzadikim is for people to work on themselves. I quoted the relevant portion for women to work on themselves. But either which way, you don’t have to use the Orchos Tzadikim as the source; you can use the kal vachomer as the source. Unless you have a pircha in which case I would like to hear it.