For additional comments on this issue of the Marty's Bent (which was the basis for the Bitcoin Magazine article), see another post found here on SN:

Marty's Bent Issue #1262: The content monetization via LN wave is here #70093 https://tftc.io/martys-bent/issue-1262

I think if the same model can be overlayed on other forms of content like video and written content, then yes value for value can really take off, because it reaches more than people who like podcasts, which while a large market, is tiny compared to video and written content