Because of the São Paulo vs Tigre game. I am the only brazilian who has replied there so far. I think more should answer there, because the diffamation campaing is already on its 2nd page. https://www.bigsoccer.com/community/threads/brasil-not-safe-enough-to-host-a-mundial.1979647/page-2
except the fact the guy is trying to bash Brazil and brazilian football to non CONMEBOL people in the forum.