- They don't allow repair shops to freely order parts, each part must be ordered on-demand, requiring repair shops to pass their customers' personal information to Apple. This adds significant delay to repairs which makes 3rd parties an unappealing option
- They implement digital pairing between parts that require Apple's authorization, which is inaccessible to third party repair shops. In practice this means that you could buy 2 identical brand new iPhones from the Apple store, and they wouldn't work when you swapped their screens.
- They restrict Apple authorized repair shops from performing many useful repairs, I'm not completely up to date on the exact list, but you can watch videos from Louis Rossmann or read materials from other educators on the topic
- They gaslight users asking about data recovery options on their own forum, claiming that any repair shop which offers to recover data is scamming them, and ban actual experts who correct them to say that data recovery is possible
