do you think you'll be able to use your specific insight into the prison system as a basis for your idea? I bet there are many problems waiting to be solved.
Prisons are big money, especially in the US.
Greetings and all the best for your journey to YC
There are many opportunities outside of prison guard unions for innovation regarding the overall institution/process of incarceration in America.
Domain expertise will only be built by tackling a problem in that domain. How could one possibly decide against pursuing a topic without trying it at all?
Tough, seemingly entrenched markets often prove to be the most interesting: SpaceX, Uber etc