Because they get paid to endorse it.

Yes, but that’s a different, independent problem.

NFTs or blockchains are not needed for this. You could just implement selling or transfers in the content platform.

I do think using contacts for escrow and having the sale being independent from the vendor are cool features, bit not at all essential ones.

The oldest active torrent I know of is the fanimatrix. I’m still seeding it just in case.