Are you asking whether Matt's belief in Jesus as a resurrected being shouldn't cause him to have more respect for other resurrected beings? Or are you asking whether evidence of mundane methods of bringing people back from the dead shouldn't cause him to question his belief in Jesus as a resurrected being?

I have long and potentially irrelevant thoughts on the first question but on the second I think practising Christians are just pretty patient about the answer being "because God". I actually take Frank's line to mean he doesn't believe, though. I assume we're meant to infer it as an understandable reaction to everything he's been through, and in that case he wouldn't believe in/care about the Resurrection anyway.