This burnout happened a lot faster than I expected. From stem to stern, it's only been about four days?
He put together an elaborate media affair designed to coincide with Consensus 2016, using NDAs for media outlets, Andresen and Matonis, to act as information embargoes. Posted a confusing revelation blog post that included a terrible tutorial on how to sign a message with a Bitcoin block private key (in a post that at first seemed to imply he was going to reveal his ability to do so). He then promised to move coins...
Finally, he posts an angry apology citing that people have started rumors about him that are false -- and that some of them he has proven false (without citing which rumors or how he addressed them) -- and withdraws suddenly.
He did a lot of groundwork for such a rapid flameout.