Lemmy.ml should abide by Brazilian laws because otherwise they'll get blocked in that country. I'm not much of a free speech fanatic. Ideally if people post a bunch of Nazi shit then Brazilian ISPs will be legally obliged to block it. The socdems in Brazil are rather lame so I have little faith in all of the "dark humor" Fb and Telegram groups getting nuked.

I'm not a lawyer, but, if you understand this isn't even a new law and it's just the end of impunity for US companies I don't see why you would frame this as an imminent threat to free speech. That's why I doubted you read.