I’m assuming these would be more for archival purposes than consumer grade data storage.

Good point

Who? I’ve never heard a single person say this, ever.

Reddit and in particular r/singularity are filled with them

I have never heard anyone bring either of these up, ever. By who? What even is that besides a sci-fi thought experiment?

See my previous response

None of the research or advancements I have seen give me any indication we have made a dent in the seeming genetic hard stop for humans at ~120 years.

Yep, exactly this.

I also have seen nothing that indicates we have been able to reverse the effects of aging, only slow their effects.

Yep.

Amazing

Nice!

That’s 5 / minute (as another commenter pointed out) or 1 every 12 seconds. If a human bricklayer worked that slow, my guess is they’d be fired