But, are they jumping ship because of the cancellation itself, or because of genuine lack of interest? I don't think all those people just gave up because of the cancellation. Look at us, for example - though we know the end is near, we're still along for the bumpy ride.
Sharing a link from rickshaw's thread about George Perez leaving DC. Blacula mentions speaking with Perez, and we get some interesting insights.
http://www.legionworld.net/forums/ubbthreads.php?ubb=showflat&Number=779141#Post779141Perez confirmed to Blacula that the plot of comics these days is dictated by businesspeople and the writers have much more limited creative say in the stories. I wouldn't be surprised if Levitz' tone in the interviews is because of htat.