When your Agile sprint turns into an eternal loop of chaos

You know you're in a real Agile team when the sprint review turns into a therapy session for "what went wrong" – again. Sure, we have a process, but it’s mostly just a rotating cycle of "We'll fix it next sprint" and "What do you mean we didn't estimate that properly?" Can we all agree that "Agile" is just code for "winging it professionally"?