No there's no fucking rule or law---that doesn't change the fact that these Overlordd posts look horrible and pathetic to anyone with a fourth grade education.
The guy is obviously not stupid---although I personally don't care much for his point of view or style. My point is: there are aids such as spell check, remedial programs, personal attention to detail, etc, etc, etc, that ought to help a person like him to do better than this. Because his posts just are awful to look at, period.