Why you are so stupid Daidevil, if someone use a Vietnamese username, he must be a Vietnamese. You can laugh at this person as much as you want, but it is not me
You did say same username same country must be same people. Ignorance as its extreme. If my username is Daidevilisstupidandgay and there is a same nickname from Vietnam (English is not native language), there is high chance it is me. But too bad this is not the case here.