"Can we even go back to Usenet without Google Groups?" No. Any group that doesn't have some kind of pre-post vetting idiom is going to have spam and abuse pro

"Can we even go back to Usenet without Google Groups?" No. Any group that doesn't have some kind of pre-post vetting idiom is going to have spam and abuse problems. This wasn't always the case and I can't pinpoint exactly when the change happened or what it was.