>The only way that this works is to exert total control of the content of all communications.
Not true! Just being banned from significant swaths of social media has frequently forced many prominent Nazis/alt-righters out of business. Before Kiwifarms recently had all of their major issues, they were already finding it difficult to keep the site running as a result of continued pressure on every host they switched to.
Regardless of the accuracy of your classification of KiwiFarms, they aren't gone, just moved into the onion. And for conspiracy-minded people that's not a negative sign.
It also introduces readers to the entirety of the uncensored internet all at once, the most 4-chan thing imaginable, which is somewhat counter to the "limit exposure to disinformation" goal being claimed by the original deplatformers.
Not true! Just being banned from significant swaths of social media has frequently forced many prominent Nazis/alt-righters out of business. Before Kiwifarms recently had all of their major issues, they were already finding it difficult to keep the site running as a result of continued pressure on every host they switched to.