The idea that the design similarities are a coincidence is just not believable on any level. Anyone that has worked with PayPal or eBay API documentation knows

The idea that the design similarities are a coincidence is just not believable on any level. Anyone that has worked with PayPal or eBay API documentation knows it's a complete disaster, and just happening to build new documentation that similar to a competitor with best-in-class documentation seems ridiculous. If you want to see an example of some typical PayPal documentation, feel free to peruse this 150 page pdf on adaptive payments: https://www.x.com/sites/default/files/2102_pp_adaptivepayments.pdf https://www.x.com/sites/default/files/2102_pp_adaptivepaymen...