Simple or not, they don’t work reliably, and asking is hit and miss.
Which is in a completely separate place to “Developer documentation”. Discovery is a problem with the website that’s come up for me a few times before - sometimes it’s not a reasonable expectation on the user, who would basically have to read it cover to cover to find what they’re meant to know. So the fact that it’s clear once you find it is neither here nor there.
The projects that naturally attract more contributors than they can use can maybe get away with not investing in contributor experience, but that doesn’t make it sensible. Getting keen hackers isn’t always the same thing as getting good contributors, clearly.
Perfectly possible with headaches including high connection instability, account flagging, and low confidence in Microsoft’s attitude towards privacy.