He's partly correct.
The 1989 date he references only refers to the date the current algorithm was put in place, but they'd begun the practice decades earlier. Credit scores been around for some time, it wasn't until the 1970's and 1980's when computers and electronic transmissions came about did they nationalized the practice.
Credit scores are or at least were an attempt to remove bias and discrimination from lending. You could argue lending went from discriminatory to predatory post credit score era, but let's not pretend lending to minorities, specifically blacks was better pre-credit score era.
I need to get on this social media/TikTok wave to make videos full of half-truths. It's very lucrative.