So there's nothing wrong in creating a business that serves a wildly large number of customers out there. PayPal dominates the market outsides of startups and the valley tech companies, and as such a huge market to build a product or company around.

For a lot of people paypal is just fine and does the job they need it to do.

Its like the mac fan boys who comment on windows being crap. But for 90% of joe public it works and works well allowing them to edit word documents and browse the interweb. Its just the loud mouthed 10% who like to cry their balls off and tell people what they are using is wrong.