I think you are thinking "distributed" in the "distributed computing/decentralized/p2p" sense. In this discussion it means "distributed" in the "made available

I think you are thinking "distributed" in the "distributed computing/decentralized/p2p" sense. In this discussion it means "distributed" in the "made available" sense. The parent did not use IPFS because it didn't work for them. So no, the data was not distributed via IPFS.