The filtering of backlinks looks like this:
I don’t find it very intuitive. Firstly, the links to do seem to appear in any obvious order. Secondly, the filtering is gui-driven. I would imagine that if there are a lot of backlinks, the window could fill out with a large number of links, and it would be relatively difficult to find the link you are looking for.
A better system would involve the keyboard a bit more. Something similar to the “selectize” javascript method (below), would be faster and more intuitive. Separate boxes could used to specify those links you keep and exclude.