According to Russo, they are used to indicate that the title does not refer to Brazil's first inhabitants, but to the innocence instilled in the country's people since its beginnings, with them always being fooled by their leaders.
Antônio Carlos Miguel, in a review of Dois for Jornal da Tarde, considered the song the album's "most fascinating" one.
He said: "In a hypnotic take, repeating the same musical theme, he [Russo] attempts to translate the first and real owners of Brazil's despair (...) Works such as this one, uniting pleasure and awareness, could even contribute to the thriving of the last indigenous people.
[4] Gilmar Eitelwein, in a review for Zero Hora, said that "Índios' lyrics are very good" and, when describing another track, "Andrea Doria", said it too "attacks human falsehood found around every corner".
[5] During the album's tour, amidst a performance at Caiçara Music Hall, the audience asked the band to play the song, but they refused, in spite of the public's protests.