No, they don't stand back and lob magic across a mile long field lol, and neither did people in..."that of which we do not speak." They move; they pose and cast.
They did it in Lord of the Rings. They did it in Harry Potter. I don't remember, but they *probably* did it in Merlin. They MOVED, they POSED, and THEN* they casted (a.k.a. didn't move
while casting)...And it COULD be fun to do it in XIV.
Again, however, only if they embraced or more practical take on battle (long, engaging fights, that can satisfy both campers and roamers) like in.... yes, FFXI -there, I said it.
This guy knows how it's done:
http://www.youtube.com/watch?v=V4UfAL9f74I