In the last +5 years Apple has been very busy securing their monopoly on every bit or screw their machines have.
In certain models you simply cannot plug another ( Apple original ) screen, it will not work. Also many "regular/mundane" chips are not available to anyone but Apple.
Apple not only doesn't support any repair initiative, it actively sabotages anything they see as a threat. Their Authorized Service Provider Program is a complete joke done in a way to keep other people busy but set for failure and to give Apple lawyers some leverage they can work with.
In certain models you simply cannot plug another ( Apple original ) screen, it will not work. Also many "regular/mundane" chips are not available to anyone but Apple.
Apple not only doesn't support any repair initiative, it actively sabotages anything they see as a threat. Their Authorized Service Provider Program is a complete joke done in a way to keep other people busy but set for failure and to give Apple lawyers some leverage they can work with.