Prolly because he thinks/knows you want him, and he is trying to distance himself from you. It happens, girls do that to me, and I just like hint that they should go away and leave me alone, if they don't get it, I tell them straight up. Rejecting women to their faces is sooo much fun, it was then when I realized why girls love doing it to guys so much, hehe.
Or...
He does not like doing interviews unless its for big name magazines, because maybe he feels his band has grown out of doing webzine/fanzine interviews. Shit happens.