Nonsense. If my Objective-C app is sandboxed, it is "managed". Saying ARC "is not mandatory" is another way of saying it is "enabled by default". There is litt

Nonsense. If my Objective-C app is sandboxed, it is "managed". Saying ARC "is not mandatory" is another way of saying it is "enabled by default". There is little formal computational difference between ARC and a conservative garbage collector. Fact: Objective-C is "managed".