All it takes is a few quick searches from the search bar at the bottom of the page to see what I'm referring to. You can search just "paypal" or "paypal stole" or "paypal froze" for some of the more egregious examples submitted to HN, or "paypal banned" for some of the more common ones of paypal reclassifying businesses after years of working just fine.
Much of them are older, because honestly Paypal had quite a few years of being the vendor of choice before a lot of alternatives came around. I'm not sure if that means Paypal had enough competition that they had to deal with their behavior or they're just used less so you hear about the problems less, but for anyone that's been around for a while, hearing about Paypal screwing someone over is not going to sound like something extraordinary.
Much of them are older, because honestly Paypal had quite a few years of being the vendor of choice before a lot of alternatives came around. I'm not sure if that means Paypal had enough competition that they had to deal with their behavior or they're just used less so you hear about the problems less, but for anyone that's been around for a while, hearing about Paypal screwing someone over is not going to sound like something extraordinary.