OP - you've missed the important "archeological" bit that NNTP news is
a protocol far predating the World Wide Web (associated with HTTP
protocol - and HTML web-pages).
NNTP still lives on for serious discussions like
"sci.engr.joining.welding" which you have found.
You are stumbling across s.e.j.w. packaged-up as an HTML webpages (a
simple script makes cheap content in hope of obtaining subscriptions
Go NNTP with an NNTP newsreader
I point my NNTP news reader at "news.aioe.org".
Gets any text newsgroups I want.
Thanks folk! Appreciated.
OP - you are going to be going into a little trip into an Internet
which works incredibly well on just a few hundred bytes of ASCII text.