It does , i guess you just do not know how to use the forums like you do not know how to heal 
I do , i play other games and work have a really rich life i just do not pretend to speak about things i have little experince with like you do.
Hint for you, use search option on forums
How To Block Someone: Step-By-Step - Community / General Discussion - World of Warcraft Forums (blizzard.com)