Tang Rao certainly wouldn't make a move; dealing with these people isn't worth it at all and would only lower his level.
The people who are mocking him belong to a sect that is fairly ordinary. Because they're ordinary, they try to find a sense of superiority over others who are worse off.
This gives their sensitive and self-abasing souls a slight sense of satisfaction.
Tang Rao is very disgusted with this kind of person; along with his disgust, he also feels a tinge of sympathy for them.
Of course, Tang Rao is not willing to suffer in silence without a word. Just kidding, I'm Tang Rao; I've never been the type to suffer losses quietly. The idea that suffering is a blessing is just because you don't have the absolute power to resist and are simply giving yourself an excuse.