Basically, I agree with his take on Tolkien, but Tolkien and LOTR were products of their time. You cannot compare LOTR to today's fantasy writing, especially since LOTR is the innovator.
However, he does make some very astute points, and they are why I greatly prefer ASOIAF.
Personally, I take more issue with Tolkien's WRITING STYLE more than the content of LOTR. Holy shit, some of the chapters in Two Towers are

Then again, I was a teenager.