The Anti-Humor Inquisition Law: Any joke related to religion will attract hordes of angry Christians (and its almost always Christians) like moths to a flame.
Disclaimer: This is just a joke. Please don't prove it to be right.
White Knight Law: In a major public platform such as Twitter or YouTube, an argument criticizing something that is popular enough will attract people who attack the poster for daring to think that it is anything but good.
Law of Fallacious Reversal: Most of the time "no u" or variations of it are used as a serious argument, they are fallacious due to being a tu quoque (appeal to hypocrisy) and/or ad hominem (personal attack) argument.