Earlier quoted context omitted.
I see this as an education problem. People need to be taught the specific rules of credit scores in addition to general personal finance.
I feel like my parent's point about credit cards and college loans being bad were correct though. Like, I believe they're right that going to college on a full-ride scholarship was better than going to a more expensive one on a loan. I also believe they're right that credit cards are bad. Like, banks make money on credit cards by: 1. hoping you miss a payment, and collecting interest, and 2. charging merchants, thus…
Overall, credit is not advantageous to most people that use it for consumerism. Credit should only be used for investments with a commensurate return above the interest rate.