since Brazil makes/made up a third of Twitter users
That was years ago. Its popularity had already far decreased before they banned it.
Still a good thing to ban nazi infested sites though. Bolsonaro getting elected was in part due to far-right misinformation on Twitter, as the linked article also points out.
Bruh if he actually does this shit (he likely won’t; this is just rhetoric for votes) he would genuinely be the harm reduction candidate.