If your domain name is goodui.org and you lead with "A Good User Interface ... is easy to use." you'd better be damned serious about user interfaces. That's my take.
You are really harping on the footer.. I don't think that because you have 1 simple disagreement in his UI makes him "not dammed serious about user interfaces". The guy makes his life with UI.
Then it's a case of do as I say, not as I do. It's not just him who has a problem with, I did as well. And so did a bunch of others who had half their devices covered in landscape and almost 1/4 on their tablets in landscape.
"Notes on field theory and general relativity", by using the query "General relativity". I hope there'll be more like this, it's quite interesting to see.