http://edition.cnn.com/2017/03/07/asia/melbourne-female-pedestrian-lights/index.html
As the article quotes, to achieve complete equality, we need to launch signals which pictogram is tall man or skinny man or long hair woman or short hair man.
Diversity should not be applied to standardization of social rules. Conventional signals' pictogram has been common among people worldwide, which must have decreased possibility of traffic accidents, especially when general people go abroad and cross over streets.
Standardization to make complicated society more comprehensible should be supported unless it invades social rights of specific people.
