Keynesian economics was the predominant economic theory before the rise of neo-liberalism during the Thatcher/Reagan years. It helped end the Great Depression, and in the post-war West, created the modern middle class.
Hey gang, let's rap. Old man Turnbull is about to drop a deuce on the economy, because his upcoming Federal Budget (which is like, where he hands out all the skrillah) is going to throw hella shade at younger voters, all because he wants to slide into dem Baby Boomer DMs. I'm shook y'all.