If others want to hinder themselves with speaking ebonics it just makes it a little easier for those of us who do our best to speak proper english.
I use a lot of slang and curse words during the day. But I dont use them at work.
"Greed...is good..."
As much as I recognize this world to be competitive, I have never seen things in quite such a zero-sum-game sense as you seem to. My goal, whether in school, sport or business, has always been to do my very best, and to meet the highest standards possible. When one does that, the winning takes care of itself, as does sportsmanship and the respect of others.