Interesting article on Tolkien editions, collecting and criticism.

"........
His most noticeable legacy, unfortunately, seems to be a ragtag and bobtail (to use a Tolkienian term) of mostly American scholars who specialise in ever more recondite and fatuous explorations of the implications of the papers and manuscripts which Tolkien himself sold them so long ago.
........"


http://books.scoop.co.nz/2009/06/16/the-tolkien-industry/