Dilma’s impeachment would demonstrate to the world that Brazil’s democracy actually works. Among major countries, Brazil’s political system (with a directly-elected president) is the closest in design to the US system.
"removing Rouseff would address one of the major impediments to the Brazilian economy."
From what I remember, Rouseff was a populist. The problem lies with the Brazilian populace. Until they figure out that the mommy state won't work, nothing will change.