Why are you guys so hard on each others

Hi all! Sorry for my English. I would like to ask you: why are you so hard on each other? Why you dont help each other? In every comment you all are fightig against each other why? Why would you be so hard on someone? Why you can not help each other? I think this is against the spirit of a community of learning. I think a good idea of learning is to learn something. How about you dont need to be so hard on someone? Why you can not even listen to that person? So when I ask something automatically you all are againts each other. I think that is against the spirit of a community. So I dont know...