Try this test. Compose a reply to some thread. Okay now switch your cell phone to offline. Now press the reply button to send the reply. Now turn your network back on. The reply gets stuck with the saving message spiiner forever and it never gets posted.
That’s good to know. Except usually when we’re worried something will get lost, the last thing we want to do is push the refresh button! Yes I trust you it’ll have a happy ending, but most users wouldn’t want to take the risk.