I could say the same about spelling Celtic with a K. In all seriousness though it's just a bit of fun so his inclusion needn't be anolysed.
I suppose it is pretentious, as I automatically assume that a large percentage of people pronounce it in a way which is incongruous to it's origins, although until recently, academically mainstream. (Unless you speak french, it's a hard C, not "seltic" like the poorly named basketball team) Comes from the Greek "Κελτο?," or "Keltoi." *from wikipedia: it is also spelled Keltic when referring to a subset of the Nordic race in the work of a "scientific racist," Carleton Coon. Huh. Learn something new every day.
Anyways. I feel like the Oblivion version of M'aiq was
more annoying, while the original mentions liches, multiplayer, horses, and climbing...things that were either never planned for the series (multiplayer) or had been removed from Daggerfall. Now, while I can't agree that they should have been removed, the difference in scope and scale between Daggerfall and Morrowind necessitated that something be cut. However, we expected some of those complex features returned with Oblivion. And yet, more was cut and less was added to replace it.
There are, of course, differing opinions on the subject.