What also sucks is someone starting a fake pitchfork mob on reddit and ruining your business/youtube channel or getting you fired. Not saying this is the case now, but if they are successful then it just encourages more to try it and some will just exploit it.
P.S. I find it weird that you personally got ripped off by Udemy (an american company, right?) and can't fight back (other than on reddit), yet now you blame the entire China for this trademark dispute. Did you also blame the entire US and campaigned for the "industrialized world" to blacklist the US?