A few months after the 13th general election in 2013, then deputy prime minister Muhyiddin Yassin had blasted the federal opposition for trying to scare the people on the goods and services tax (GST).

The GST was introduced on April 1, 2015, and Muhyiddin, now preparing to face the 14th general election as a Pakatan Harapan leader, today marked its third anniversary by leading a short protest around the city centre...