Comment by tern

As soon as you open up the means, you open up an expectation of support

If Apple provided all the docs, people would start building, and then they would start complaining when Apple doesn't consider them a customer of the business, and Apple would eventually be forced to react, which would take energy away from there core commitment: delivering a unified product experience for consumers

I suspect you don't understand this, but this is why corporations are deliberately unhelpful in many (annoying) ways, and why people don't share things in general as much as you'd hope