As a programmer of over 30 years I still have never used Usenet and the reason is the barrier to entry. There is way too much friction. You need a paid (!) subscription to a provider, potentially a subscription to an indexer, plus client software. All of this to access what is essentially a pure text forum. Frankly I am not interested in jumping through hoops to access something which an "average person" would have n…
> You need a paid (!) subscription
30 years ago (and I'd say even 20 years ago) every ISP had their own usenet feed just like they had their own email server. It's only fairly recently this has become a bit of a barrier (although as many have noted in this discussion, free ones exist so not much of a barrier). My ISP discontinued their usenet server in 2016, fairly recently.
Installing a client is one package-install command away, not exactly a barrier.