That’s the direction this developer went in but I think you could also go in a more personal direction and leverage automation where it’s effective but avoid all generative text.

Yeah, that's my feeling too. It's an impressive and interesting project, but I don't want to do that with my life. It has had its ups and downs and some things I just don't want to dive back into like that (and don't want others to read either).

The genealogy part – researching my ancestors' life – feels more useful.

Would there be any obligation to read the bits concerning yourself ?

I see this more as a digital artifact for future generations. I would love to read all about the events in the lives of my ancestors (no matter how detached the narration) going back generations.

Imagine if you could read in detail about your parental ancestors in 1500s, what they worked as, what they liked doing, where they spent their first holiday together…

There are more than 500 years from the 1500s, let's say roughly 500. That makes around 20 generations and about 2^20 = 1048576 ancestors. There are historical records that give you an idea what people similar to you if not your own ancestors were going about but details would be overwhelming to count and sift through. I welcome that details fade away and that we don't need to carry the whole baggage but just some bits that stayed. Things will take their natural course and whatever prominent will preserve if it's worthy.

Good point! I already write some stuff down that I never intend to read myself but hope would be of some use for future generations. It's not always easy knowing what's worth recording. And sometimes really boring stuff can be interesting 100 years from now, but you wouldn't know.