On Substack, on the other hand, extremists can post for money. The pieces are now all in place for an extremist Substack to grow an audience using the platform’

On Substack, on the other hand, extremists can post for money. The pieces are now all in place for an extremist Substack to grow an audience using the platform’s recommendation systems, and monetize that audience via subscriptions. And Substack, as it does with all publications, will get 10 percent of the revenue