In Objective-C why should I check if self = [super init] is not nil?

In Objective-C why should I check if self = [super init] is not nil?

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Objective-C: init vs initialize

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Overriding init in subclass

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Convert NSNumber to NSDecimalNumber

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objective-c

Best way of preventing other programmers from calling -init

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objective-c

How to write init method in Swift?

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Passing parameters to a custom class on initialization

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IOS: NSMutableArray initWithCapacity

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cannot init a class object : objective-C

objective-c cocos2d-iphone subclass init

objective-c

Why not throw an exception if [super init] returns nil?

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objective-c

Why would [super init] ever return nil, when "super" is NSObject? [duplicate]

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objective-c

Objective C - difference between init and constructor?

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objective-c

If I do nothing in -init, is it the same as just calling [MyClass alloc]?

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