Most of these titles were won under a system that did not emphasize transitions and had different requirements as far as choreography was concerned, so I'm not sure how this is really relevant. Not to mention that much of Plushenko's success owes to consistency and strong jump technique, and even without cramming his programs with transitions, that is something that is worth a lot of points.
I hope I don't get

for this, but I really don't understand the obsession with transitions, seemingly above and beyond all other components. They are one component out of five, not the most important one, and to be honest, I find that a lot of the transitions skaters perform contribute nothing to their programs or to my enjoyment of their skating. I think this component and the way it is interpreted privileges quantity and difficulty over quality and aesthetics, and I can't say this is something I want to applaud.
Anyway, back on point, Plushenko is not arguing that he is better than Chan or would have beaten Chan, so it doesn't matter how his programs compare to Chan's. It matters how Ten's programs and performance at Worlds compare to Chan's, and Plushenko is hardly the only one to answer that with "favorably".