Sure, that is the timeframe I grew up with so there is bias there. It also happens to be when the internet was starting be used more broadly.
Correct me if I'm wrong here because it is before my time, but prior to WWW wasn't the common use for the internet government and academic research, and technical communications of those actually building the internet protocols? Unless I'm wrong there, I just wouldn't really lump that in when comparing how the average person uses the internet.
Mainly academic and military and spouses and family, yes.
FWiW shitposting on UseNet started very early on - binary porn coming from German airbases was a thing and while many official things were sent from @MyRealName there were plenty of handles used and an0n postings.
Correct me if I'm wrong here because it is before my time, but prior to WWW wasn't the common use for the internet government and academic research, and technical communications of those actually building the internet protocols? Unless I'm wrong there, I just wouldn't really lump that in when comparing how the average person uses the internet.