Since presumably the point of ultra light backpacking is comfort, any item that hinders that goal doesn't make sense.  I have an ultra light pack (GoLite) which i don't use very much because I also have several which are more comfortable and balance better.

I think nearly all of us value lighter weight. I haven't met many ultraheavy backpackers lately.  The trick is getting a reasonable balance between light weight, comfort, versatility, and safety.  I am quite content with a heavier pack  which carries better.

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