What is the alternative? Locking them up on a disk that can't be accessed cross-platform? Self-hosting doesn't solve the "if you're hit by the bus" problem unless the next generation of your family is well-versed in technology.
For things that you truly want to preserve for generations, have them printed out to good quality paper.
What is the alternative? Locking them up on a disk that can't be accessed cross-platform? Self-hosting doesn't solve the "if you're hit by the bus" problem unless the next generation of your family is well-versed in technology.