Why can't we just "reset" Usenet?

"Usenet, having been around for several decades now has gotten to the
point where you can't just host your own server. While I get the reason
behind that, why is not a good idea, to perhaps split away from the
current dataset and start a new feed of Usenet servers without the older
data and without binaries? The current Usenet would still be present,
but it would allow for people not only to go back to self-hosting
Usenet, but would also get rid of some of the 'junk' that people don't
want. And removing binaries from the new one, doesn't stop people from
using the old Usenet to continue doing so.

Why would this be a bad idea?" - quilnux

https://www.reddit.com/r/ClassicUsenet/comments/1it5bf5/why_cant_we_just_reset_usenet/