Have you ever had a post paid cellphone plan? Rented an apartment? Gotten car insurance? If so you are probably in the database. You can check what data these companies have on you here:
https ://www.annualcreditreport.com/
>What's to stop them from re-entering society in 10 years only to discover they have a massive amount of debt?
Nothing. They would have to file several disputes.
>There must be some way for me to exclude myself from this market, from the woefully inadequate security practices of our financial system
There is not.
>I'd like to look into this 3rd party agency you mentioned, if you don't mind sharing the name.
I am not the person you are replying to but I do my credit monitoring with Credit Karma and it's free.
>What's to stop them from re-entering society in 10 years only to discover they have a massive amount of debt?
Nothing. They would have to file several disputes.
>There must be some way for me to exclude myself from this market, from the woefully inadequate security practices of our financial system
There is not.
>I'd like to look into this 3rd party agency you mentioned, if you don't mind sharing the name.
I am not the person you are replying to but I do my credit monitoring with Credit Karma and it's free.