"iCloud did <x> to my files" is not an anecdote. It's an assertion of software behavior. The fact that only one sample is being provided does not magically make

"iCloud did <x> to my files" is not an anecdote. It's an assertion of software behavior. The fact that only one sample is being provided does not magically make it an anecdote. You can say the person reporting the bug is a liar, but that's not how quality assurance works in the real world. Most likely the bug they encountered happens in a specific scenario, but regardless, "personal anecdote" or "it works for me" are not appropriate ways to respond to a bug report, let alone one about data loss.