I'd love some data behind the claim that this is podcasting's first breakout hit, beyond the comparison to This American Life's slower initial growth in the for

I'd love some data behind the claim that this is podcasting's first breakout hit, beyond the comparison to This American Life's slower initial growth in the form. Is this a legitimate claim to fame, or sensationalism from the New York Times from a writer who seems to be largely dismissive of podcasting in general?