From 11:00PM PDT on Friday, July 1 until 5:00AM PDT on Saturday, July 2, the Shmoop engineering elves will be making tweaks and improvements to the site. That means Shmoop will be unavailable for use during that time. Thanks for your patience!
David McClean has a classic mentoring role: he comes on, gives his opinion, and splits. The fact that he comes back to see how his advice wasn't followed is just the icing on the cake, because it proves that his opinion was correct. (Which probably makes no one happy, himself included.)