No comment on the rest of the ecosystem, but eBay and PayPal are just as easy to scam from either side of the equation. The problem is less that they're biased

No comment on the rest of the ecosystem, but eBay and PayPal are just as easy to scam from either side of the equation. The problem is less that they're biased toward consumers and more that they're willing and able to award damages with scant evidence.