Bioware probably didn't expect the Spanish Inquisition; nobody does. 
Man, if they don't have a single character making reference to that skit, I will be very very disappointed.
Also, +1 for the vote on the outfit (with hat). Couldn't you just see Dorian sporting it? I mean, he's already got the 'stach going on.. 
Oh, I think David Gaider mentioned being sick of this joke.
However, I think failed repetition and clumsy mishandling is the whole essence of the joke, isn't it? It's messing it up constantly and starting back over from the beginning, until everyone is just patiently waiting expectantly for the Spanish Inquisition.
Someone who thinks that you're not supposed to expect the Spanish Inquisition, or get sick of it, just doesn't get the joke.