The Duopoly created influence. It captured political consultants, lobbyists, candidates, policy and media. These interested influence-seekers were divided into two sides for perpetual competition.
The Political-Industrial Complex is massively lucrative
Ref:
The Political Industrial Complex is not a public institution. It is largely about competition between private actors.
The The bipartisan actors created the rules to their own game to keep it that way.
Political Industrial Complex claims that the duopoly captured media, but others would say the-cathedral is upstream of media (and public opinion) and essentially directs it.
In the two-year 2016 election cycle, the Political Industrial Complex generated $16 Billion in revenue. This ranks it as one of the biggest industries in the US economy.
Contrary to popular belief, the political machine is not a public institution. Most Americans are unhappy with the services rendered by the government. (AKA the Political Industrial Complex).