Taking any app and adding Google Docs style "collaboration" to it is a recipe for success, in the same way that taking a piece of art and making it an NFT did, for a period time, make its value 10-1,000,000x greater.
From an engineering POV, maybe someone should sell a CRDT service that proxies multiple users into one and pretends to be general, but really authors domain-specific stuff since CRDTs and OT "general" is not very valuable.
From an engineering POV, maybe someone should sell a CRDT service that proxies multiple users into one and pretends to be general, but really authors domain-specific stuff since CRDTs and OT "general" is not very valuable.