#1. I dont know how many online game you have played that has chat option, if you had noticed it carefully u would have seen that there is always an option to ignore that person.
#2. you said that it will increase the abusing part, okay, i am agreeing with you for sometime but abusing doesn't come from zero, it starts by someone, may be the way you have commented is a sample
#3. and what team do you support? it is the logo you are using? if it is then pity on you bro, very poor number of people know about its existence and i now understand your sorrow and anger against those big club supporters