To add to your links: https://contrakrugman.com/
EDIT to add:
I'd also assume any show that bills itself as "Paul Krugman's column refuted, week after week!" is more of an ideological security blanket than real intellectual engagement or critique.
I believe you'd find the intellectual engagement and critiques within the podcast, not the subtitle.
No, I doubt it. If they think they can refute [1] like clockwork future columns they've never seen, it's almost certain they're just rehashing dogmas for the faithful. I have better things to spend my time on than that.
[1] a very strong word, by the way