I just noticed that on a profile with a sufficiently long display name, the HTML element containing useful moderator links gets wrapped behind the profile text box and is thus invisible. Best explained by the screenshots:
versus what it should look like:
I got the latter image by removing part of the name using Firebug.
It's not supposed to do that, is it?
selecting and dragging down
to force the element to scroll down. This is also a bug on EE.SE