Failed" how?
Failed as in people stopped using them? No.
Failed as in their profits plummeted? No.
What the actual fuck?
I gave several concrete examples whose usage was originally seen as unassailable, and is now easily measured as essentially zero.
Of the examples I listed, only Shockwave still has any publicly recorded examples of actual continued use, because there's a virtual museum dedicated to preserving it's memory.
That's a fine definition of a failed technology.
You're out of your element, Donny.
Edit: Your other points are essentially that those technologies aren't at their dominant phase yet. I can agree about that.
If you still need convincing (your clearly do) about open standards, read the history of licensed screwdrivers. Closed standards either die off, or become open ones. There are no exceptions.
Windows and iOS are both notable because, in my expert opinion, both have already missed their window of time when they could have become successful open standards.
Their respective owners actually realize that, as well. IBM Mainframe also missed that window, and there's history available to read. We are now seeing the same business patterns (as IBM Mainframe) with Windows and iOS.
Incidentally, IBM Mainframe actually doesn't qualify for my failed technology list, because it's still holding on. Windows probably has similar staying power to IBM Mainframe (hanging on in zombie death for decades). iOS isn't lucky enough to live on huge expensive machines that are hard to move, though. It's not going to be as lucky.