For substantive projects, whether you 100% need a blockchain to have a business related to the idea is not the right question. This is about creating commons f

For substantive projects, whether you 100% need a blockchain to have a business related to the idea is not the right question. This is about creating commons for people to use that is trusted. It's fundamentally a different paradigm and mindset. Can you technically do something similar to your idea with Postgres? So what. Do you have to put some degree of trust in another party? So what. That doesn't eliminate completely any benefit of an auditable system.