== A bit puzzled == 

 The thing is the passages I tried to delete are obviously POV, I believe it's offensive to most people from China. I don't see why other users keeping reversing back could be tolerated while mine will result in blocking the account. I don't know what Jtkiefer was saying in the message above, I am not experimenting anything.  

 I think this kind of keeping deleting and reserving between two opposite groups of users is kind of stupid. Please tell me if I can find anywhere on Wikipedia I can complain and argue about POV matters in a more reasonable way. If I can't find a better solution for this problem I will keep deleting those passages in Mao Zedong which seems to me strongly distorted and biased.  

 If at the end it results in my account being blocked, well, I don't mind. If such things happen then I will believe Wikipedia is not a place as 'neutral' as it claims and I won't bother staying.