Because it is frustrating to debug a closed system. I am all for starting a stack exchange discussion when working on things that built communally and not lock

Because it is frustrating to debug a closed system. I am all for starting a stack exchange discussion when working on things that built communally and not locked down. However, when you are paying Apple for a product, it is frustrating to deal with things being broken and on top of that you have to circumvent their restrictions.