I feel like it is the opposite - Objective-C existed for more than a decade in realtive obscurity, and quite suddenly became very widely used when a new and pop

I feel like it is the opposite - Objective-C existed for more than a decade in realtive obscurity, and quite suddenly became very widely used when a new and popular computing platform forced developers to start using it. IMHO, the massive gap supports the idea that iOS is the main driver of Objective-C popularity.