Imagine a political system so radical as to promise to move more of the poorest 20% of the population into the richest 20% than remain in the poorest bracket within the decade? You don't need to imagine it. It's called the United States of America. ↗
Brainy folks were also present in Lyndon Johnson's administration, especially in the Pentagon, where Secretary of Defense Robert McNamara's brilliant 'whiz kids' tried to micro-manage the Vietnam war, with disastrous results. ↗
Tariffs that save jobs in the steel industry mean higher steel prices, which in turn means fewer sales of American steel products around the world and losses of far more jobs than are saved. ↗
The simplest and most psychologically satisfying explanation of any observed phenomenon is that it happened that way because someone wanted it to happen that way. ↗