What problems like these exist today?
WTF are you talking about? Payment gateways have been a thing for decades.
> Many companies, prior to Stripe, did create their own gateways or custom systems on top of gateways.
Ah. There it is.
By your logic, because I've written shell code, I've written a shell interpreter, because I wrote something custom on top of it.
Nice ad hominem though.
WTF are you talking about? Payment gateways have been a thing for decades.