I always assumed credit scores were an integral and historic part of the American financial system.
They were not, they are very recent,most of your parents didn’t have credit scores growing up, and as you can probably tell or at least intuit, it’s mostly just a b******* scheme for those with capital to accrue more capital by invading your privacy.
Also keep in mind that there are far more than three of these companies. There are dozens of not hundreds of less visible companies doing the same kind of consumer data brokering. The “big three” are just the face of the industry. They only make it easy to opt out because they know you’re captive to 20 other feed through companies.