Yes, it is in style of maga, but context is needed. Earlier this year (or last year, I don't remember quite well), the "patriotic" far-right was going deep into maga speech and behaving like Trump would rescue Brasil from "comunism". Lula started wearing that hat to counter their speech and reaffirm our sovereignty, which was really important after all the tariffs talk, and also passed off a lot of far-right "patriots"