If there is a natural disaster that flood your town or an earthquake that destroyed the building your seed phrases are, what are the other recovery means that you have in place for you not to lose your bitcoin?
It's not safe to save or back up your seed phrase only in one place. At least you should be able to have a backup in different locations of your seed phrase and not only in one place, and better still, even the places you back it up to should be both water- and fireproof to prevent it from being destroyed if any of your mentioned disasters happen.