I'm not sure why you say this.
Yes, the poor awareness of Melo and the fortunate bounce that led to the second goal is why I say that. Brazil played very well in the first half.
While the Dutch can play extremely well, today's game didn't show it. Had the Brazilians played like they did against Chili today's result would have been different. Maybe they underestimated the Dutch or overestimated their ability.
It doesn't matter at the end of the day. The Dutch won. I'm glad for them, but do feel sorry for the cleaning crews tomorrow.
Edit: I worded my earlier statement a bit too strongly. It wasn't completely undeserved. Especially considering the amount of fouls by the Brazilian team in the first half.