It is very true that something needs to be done about jaat paat. But sadly amritdharis let alone other still believe in caste. I got discriminated against just because I wasn't a so called jatt. But remember those who believe in caste Guru Sahib will never accept them.
Jo Sikha Ko Puche Jaat Soh Sikh Nahi Mero Aad Jugaad (Those who ask a sikh's caste, they are not my sikh, they never were, and they never will be) --Dhan Dhan Guru Gobind Singh Sahib Jee Maharaj)