Aren’t these archives protected explicitly under several points in US Title 17 Section 108? https://www.copyright.gov/title17/92chap1.html#108
There is a lemmy seed script you can use as an admin that gets you a “default sub” experience https://github.com/Fmstrat/lcs
Vim is well emulated in Emacs, but it really shouldn’t be thought of in the same category.
Emacs is more of an unbelivably editable lisp system to streamline your computing that happens to have a decent default editor.