Well, the guy had a regular paycheck and great writing for five straight years. How many people can say that in Hollywood? Of course he's going to want "his" show to continue. I mean, artistic vision is one thing, but financial security is quite another.
Remember how many actors are unemployed at any time -- even if they were in a successful project or two. Who would want to give up a sure thing?
Besides, the simple existence of this very site (as well as many others) proves Doyle's point that the B5 concept still had legs.
IIRC, didn't BB also get a little upset after the season 5 shutdown?
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"What's up, Drakh?"
Michael Garibaldi