You can't turn back time. Abuse, trolls, bots, astroturfing, farms are online because a big chunk of the population is online and therefore the malicious actors

You can't turn back time. Abuse, trolls, bots, astroturfing, farms are online because a big chunk of the population is online and therefore the malicious actors have recognized the potential of the Internet for manipulating society. You can't turn back the clock, unless maybe also you uninvent AI, smartphones, cheap laptops and desktop computers, and widely available internet.