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Well, historically we have strongly urged that we _should_ avoid it. Of all the classes of "editor errors" that degrade the directory, this is probably the one that happens most often.
But this is another area where spam is forcing us to change our policies in ways that harm legitimate submitters. We are having to put a very high priority on removing inappropriately listed sites (not necessarily inappropriate editor action, however), and it's not always immediately clear whether or where the site should be listed. So the site needs to be removed, whether or not the editor has time for a full site re-review or for finding an editor with appropriate privileges.
So, in the future, you should probably expect to see more "questionably listed" sites being removed first and reviewed later. The logic is simple. If a legitimate site is not listed (especially one in a competitive category), out of the four billion people on earth there is only one person who will miss it. But if a site is wrongfully listed, everyone who looks at that category may notice: so we take out the knife immediately but just put the autopsy in line for the next available local coroner.