[hactually]

It's all about engaging. It's actual leveraging the biases of the individual rather than Netflix. You're being racist, not netflix which is kinda funny.

There's data points to indicate you're more likely to watch X if they show A,B,C title cards. When you do, that reinforces that link. In aggregate it feeds data points to Netflix that lets them A/B test the needed graphics.

Customer biases driving biases/business decisions.