The secret is out. Just like the Emperor's new clothes, the Brazil team of 2014 are not what we have been led to believe.
But it required a Mexican goalkeeper without a club to deliver the brutal truth that a home victory in this tournament is a long way from becoming a reality.
Guillermo Ochoa, released by French club Ajaccio at the end of the season, produced four world-class saves as Mexico emerged with a valuable point.
Mexico, who secured qualification for the World Cup only via a two-legged play-off against New Zealand last November, were clearly unfazed by the prospect of taking on Luiz Felipe Scolari's team.
No side have been able to get under the skin of the Brazilians as regularly as Mexico since the turn of the millennium. Brazil have suffered six defeats and won just four of their 12 meetings, and a bruising first-minute challenge by Jose Vazquez on Neymar was a sign of the Mexicans' refusal to be intimidated.