By producing worse updates without option to downgrade to previous versions, with no practical gains but to boost the new hardware sales. iOS 9 ruined the class

By producing worse updates without option to downgrade to previous versions, with no practical gains but to boost the new hardware sales. iOS 9 ruined the classic iOS fluidity and smoothness compared to previous release. And this wasn't the first case. https://www.youtube.com/watch?v=0iwh3lDeCME https://www.youtube.com/watch?v=0iwh3lDeCME Apple are a high-margin accessories and hardware merchant, the software quality days are over.