Yes, nostr:npub1h8nk2346qezka5cpm8jjh3yl5j88pf4ly2ptu7s6uu55wcfqy0wq36rpev talked about this on a recent podcast. The hashed secret in a Lightning transaction can be used to unlock any type of content. Of course, your average person doesn’t know how to use Lightning, so instead we have to tap all the fucking chimneys.