In Brazil, é montagem works as a catch-all punchline for anything that looks too good to be true, from WhatsApp forwards to TikTok illusions. The phrase circulates as a reaction audio because it is short, instantly understood by Portuguese speakers, and carries a playful accusation rather than anger. Creators lean on it to signal media literacy with humor, letting the audience feel in on the joke. Its staying power comes from that versatility: as long as staged clips go viral, there is a need for a quick way to call them out.