MasterCard and Visa as long as keep their moat, they don't need to innovate. Big companies like that will not innovate enough to make fees low. Yearly operating

MasterCard and Visa as long as keep their moat, they don't need to innovate. Big companies like that will not innovate enough to make fees low. Yearly operating expenses of VISA as a company is nearly $10B with a net income of almost $15B. Not hard to make the math how fees just make the income and moat bigger.