Who's saying that? I don't have time to listen to 30 minutes yabbering from no-one-knows-who.
Banks
are using or at least experimenting with Ripple, that's a fact. If it wasn't the case they would edit the article in Wikipedia:
https://en.wikipedia.org/wiki/Ripple_(payment_protocol)
I have listened the podcast, guy actually talks how many and what banks are using it. I think that post was sarcastic as many are.