A URL to the plot would’ve been helpful. Fortunately, John Christy’s presentation was well known enough (it’s from Feb 16, 2016, for those that care about the provenance of presented figures), to easily find discussions and dissection. Once again, apple to oranges comparison.
Who is this Gavin Schmidt, the author of the first post and founder of the blog? Well, a climatologist and Director of the NASA Goddard Institute for Space Studies. See here.