Like many others who were present at the Iran hostage crisis, Bannon developed a massive aversion to Democratic President Jimmy Carter. So when he came back home, he immediately glommed onto Carter's opponent, Republican Ronald Reagan. Later that year, he used his military stripes to force himself and his pals into the victory party for the newly elected President Reagan, where he noticed firsthand how far one can go by prioritizing style over substance.
Which would explain his "Did Jews Kill The Gipper?" Breitbart headline ...
After graduating from college (again), he cut his teeth at Goldman Sachs as an investment banker in the mergers and acquisitions department. That put him right at the heart of Wall Street during its "greed is good" era -- i.e. the reason that every '80s movie has a villain with slicked-back hair and suspenders and subplot about hostile takeovers.
For the most part, Bannon was relegated to being an enforcer, tasked with defending boardrooms from hordes of mercenary bankers and coked-up shareholders. On the rare occasion that he did some raiding of his own, it involved a little outfit called Bain Capital, which was being run by Mitt Romney.
"Ha! We're eating money and poor peoples' dreams!"