The data will be kept encrypted in the database and will not be shared with anyone until you die.
Also, it's not just for secrets. It's for business too.
Think you are running a SaaS and something happens to you. What will happen to the business? Someone has to know what you have to do to run the server, to manage the database.
It's like having a backup with you forever so that your family can get your journals, "how to run my business" stuff ready.