When I went from working at Apple to a language implementation group at another company, my views on Objective-C's duck typing + warnings for classes being usef

When I went from working at Apple to a language implementation group at another company, my views on Objective-C's duck typing + warnings for classes being useful and good was pretty heretical. It's nice to see other people agree with me. Especially when it comes to GUI programming, I really don't care if a BlueButton.Click() got called instead of RedButton.Click().