The definition of "fetish" is "object or part of the body that arouses libidinal impulses—often to the exclusion of genital impulses." Fetishizing that annoying Microsoft Word paperclip, however, goes beyond extreme kink into deeply creepy territory.
Now that I don't review DVDs professionally, I almost never watch the commentary tracks. Like most folks, I feel I could use that time watching a movie I've never seen before—yet, a few (a very small few) of 'em are interesting or amusing. I think my favorite was Randy Newman's commentary for Pleasantville, which came off as an insider's view of the Hollywood scoring community (his uncles Lionel and Alfred were both film composers).
Greg Sandow has written three long posts about why this might be the end of the classical music era. The link below takes you to the third, but you can scroll down the page and read them in order.