Some of the Chinese and 老外 (laowai) looking down on ABCs for not speaking their parents’ dialect… not sure you want to pick this fight. Some of us have picked up the language and can code switch easily — we can see your flaws and insecurities, too. So be careful while you are on your high horse. Keep it light and fun. This is a moment where people actually want to reengage with the culture… encourage them.