The so called "bets" were authorised to operate in Brazil in 2018 via law 13.756/2018, in the first year of Jair Bolsonaro's presidency.
Jair Bolsonaro, who was found guilty of Federal crimes and is paying his sentence under house arrest due to frail health, is the father of Flávio Bolsonaro, main adversary of incumbent President Lula da Silva.
So it is in fact the opposite of what you described.