What the hell good is a 2%-3% cash back on a credit card when they're fucking you for 26% of your balance every month? When I was in 10th grade in 1968, our Soc

What the hell good is a 2%-3% cash back on a credit card when they're fucking you for 26% of your balance every month? When I was in 10th grade in 1968, our Social Studies teacher told us that any interest rate over 8% was a violation of the usury laws, to protect the public from loansharking. So when did loansharking become legal with these credit cards?