I think people don't get another perspective on this until someone dies.
Mostly it just goes away at death.
It might be interesting to read:
https://en.wikipedia.org/wiki/Digital_hoarding
I have trouble letting go of things, and I found it interesting to read through.
There's a part of me that thinks "It would be so useful to 100% automatically log and cache everything I do and be able to search it". But I think maybe being healthly means not doing it.