Which groups, if any, are exploiting protests against immigrants and refugees like the recent one in Dublin to further their own political agendas?

I don't like the ballroom thing, but I still like Trump because he is pro-economy and securing the borders. Do you agree?
Has the relationship between Jair Bolsonaro and the current president of Brazil, Luiz Inácio Lula da Silva, deteriorated from the time Lula called Bolsonaro after the coup conviction of Bolsonaro?