I got march of shamed once because I genuinely forgot, it somehow shortcircuits my brain when I need to wait for approval, thinking I've already paid and walk out after waiting for the person to come tap some buttons :|
iamthatis (Apollo) even said he could do it with a bit more time after the initial shock, some negotiation etc, he was willing to try if Reddit would throw him anything at all so it was possible. But Reddit instead shut down all communication then lied about what happened