It's funny because even in Piracy, IPFS has never really taken off and that's a massive use case.

It slowly was taking off—e.g. Library Genesis on IPFS[0]—but then IPFS introduced Bad Bits Denylist [1] which killed it on arrival.

[0] https://freeread.org/ipfs.html

[1] https://badbits.dwebops.pub/

Also public key lists like what Whatsapp now publishes