Bolsonaro is a coward, he lied to his followers stating that the media was "purchased", as a side result they started to context any news against him to the point of attacking anyone who critique him.
That includes several intelectuals not only from Brazil, but also from all over the world.
They're seem attacking people as such Francis Fukyama, Marine Le Pen, Thomas Piketty, Roger Waters and manyothers.
He used WhatsApp to spread many fake news which spreaded like a plague that many don't bother to inform themselves if these news are legit or not.
They always use their hate against the left to justify their attacks as if those who disagree with Bolsonaro are "communists" even though they're from different political sides.
Just like any fascist, he becomes stronger through lack of information and hate and that's why he spread lies in social media to get more allies.
After the "Ele Não" event which many went out for the streets to protest against his candidacy he went after several