Earlier quoted context omitted.
Credit score for ghee most part tries to assure lenders you can repay your debts. Social credit score is about how close you hew to proscribed behavior at large.
Credit scores are used as a proxy for Ideal Citizenship. It just so happens to have baked into it enough plausible deniability as to not run afoul of anti-discrimination laws. Turns out, a lot of "bad" actions result in missed bill payments.
It used to be the merchant had to know you and you had to build up your credit with each merchant over time. Credit scoring made it easier for merchants and customers to issue and leverage we credit.