What else do you propose when trying to solve for this scenario? If all your passwords are within your password manager and you're suddenly incapacitated or dead, at some point a family members will need access. You can push people to use password managers themselves but sometimes that's just not going to happen, in particular if you're in a position where your next of kin might be older or just generally less technical and willing to adopt that kind of thing day to day.

I'm not saying it's perfect, but you're dealing with people and sometimes you need to make things simple rather than perfect to get the job done.