Is Pakistan using Indus Valley to trick world on Indus treaty shelved by India?

Pakistan News: Pakistan is embracing the Indus Valley Civilisation as part of its national identity in a big way. It's a notable shift for a country that held the Sindh conquest of Muhammad bin Qasim in 712 CE as its foundational moment. So, why is Pakistan suddenly in love with Harappa and Mohenjo-daro? Does it have to do with the Indus Waters Treaty, which India has kept in abeyance?