Jim once mentioned (Gunny has a link to the post) that the Bloggers forum is for posting blogs in their entirety whenever possible. Copyright restrictions apply, and it's assumed if a blogger personally posts his/her material on FR, those restrictions are waived and the entire piece should be posted.
There are other full-time bloggers who post on FR that honor Jim's request, then there are those who don't. In fact, most don't.
And those that don't are only here to drive traffic to their site.