Except.. They're not the only ones who can repair it (even though they act like it). And their efforts to hurt independent repairshops show signs of antitrust, which is the topic at hand.
But in many cases this is achieved solely by supply-side restriction of replacement parts - stopping IC manufacturers from supplying those chips to people who could easily repair the device given those parts (macbook power IC springs to mind - same device as a commercial one, just a different pinout for the unobtainable Apple version), or making replacements locked down (such as on new macbooks - you can't just swap a screen now).
