So... you didn't stop it. You only stopped it on a couple websites by making all content creators to provide identity verification
The only way to actually stop it is completely remove anonymity from the internet. Which is a nightmare scenario for many reasons. But it seems to be the current direction we're going.
But destroying the internet by ending all concepts of privacy and anonymity isn't a solution though. It's what every government wants, and they'll give you whatever sob story is necessary to trick people into thinking it's for their own good. It's not.
So... you didn't stop it. You only stopped it on a couple websites by making all content creators to provide identity verification
The only way to actually stop it is completely remove anonymity from the internet. Which is a nightmare scenario for many reasons. But it seems to be the current direction we're going.