Because the guy is being so disrespectful in such a publicway and he doesn't even know it.
因为这家伙用这种公共的方式已经太无礼了，而且他自己也没意识到。
2
Find a way to acknowledge the contributions of someone, to show your gratitude, in a publicway... in your office, among friends and family, on your blog, in your local newspaper.
In an uncharacteristically publicway, Google has acknowledged modifying its search engine so it can identify businesses that provide bad service and lower their search results rankings accordingly.