Having lived through the “Eternal September” beginnings, I’m sorry but you’ve got very strongly rose-tinted glasses on.
(Ref)USENET was a cesspool on the order of any modern *chan board or their ilk both before and after the Eternal September. Having a high technical bar to entry just meant most participants were obsessive lunatics with poor socialization (instead of merely half).
A Windows IRC client … to access Lemmy?
That would be a high technical bar to entry!