It's not that hard to leave a significant positive legacy. It only needs to be person-sized. Did you have one pretty good child? Congratulations, you did it! Did you have, like, three good friends? Give yourself a big ol' check.
These aren't easy, but they aren't in general un-do-able.
Probably only some people need the complexity of the category system, and if it's off by default, people who don't don't need to understand it to accomplish what they want to with their notifications.