Usenet arose during a time when the people using computers actually understood how they worked and how to use them. Asking someone to download and install a Usenet client then set it up to connect to a server of their choice and then subscribing to newsgroups is way above and beyond what most people are willing to do in 2023, sadly.
If it's not on a touchscreen, and not able to be done with 2 or 3 taps, then it ain't happening.
Expanding on this, I'm worried a technological education gap is forming among the youth. Old people didnt grow up with computers, they have an excuse. Middle aged people had to deal with the computers of the 80s and 90s, and because of that, understand computing pretty well. Young people were born into a world of instant gratification and super simplified touchscreen GUI interfaces, and from talking with them, it's clear most of them know how to get on the internet and do their thing on social media, but most of them have no clue how the nuts and bolts of it all work.