Um, yes.

I'm sorry, but the "Agile works, it's just that you are doing it wrong" line of argument is weak and unconvincing. The theory of a methodology means little when there is no buy-in from stakeholders, as is often the case. They reinterpret it to mean whatever they want it to mean. If you haven't struck this wall, then congrats! Most of us in software have to deal with it, though.