Not only do they get commissions, but for the merchants, people historically pay more with Cards than with cash https://www.psychologytoday.com/blog/the-scienc

Not only do they get commissions, but for the merchants, people historically pay more with Cards than with cash https://www.psychologytoday.com/blog/the-science-behind-behavior/201607/does-it-matter-whether-you-pay-cash-or-credit-card https://www.psychologytoday.com/blog/the-science-behind-beha...