That was purely and simply because of DC's involvement. However, DC claimed that supposedly he was going to back away had the show been renewed, and the writers did have ideas to take the second season's storylines in new and totally different directions. But, again, alas...
Magnus, I get it. We all get it. You don't want to see a new DS unless it is a continuation of the old. Does it really bother so much that other people simply disagree and would like to take a trip in the imagination down a path not to your taste?
Carolyn comes back with bad news--in her travels, she stumbled across Barnabas, who informed her that Julia has just died.