Re:Visa, Mastercard mull increasing fees for processing tran...
by btian on Friday February 15, 2019 @01:19PM
(#19173289)
Because there are only 2 companies in the industry with huge moat - https://www.jstor.org/stable/4225650?seq=1#page_scan_tab_con...
It's the same reason why airlines don't compete with each other.
Why are they not competitors?
I might be way out there, but if two companies provide the same service (even if they vary slightly), they are competitors.