Because it's only words on a screen, could be a child typing it for all I know. Someone annoys me in a pub, or any real life face-to-face situation. I might wanna punch their lights in. Does anyone take YouTube comments seriously? Yes I do value it much less..
Ah sorry I don't know so much about large desktop rigs. I know more about what making whatever Lenovo laptop you got into running OS X, preferably Thinkpads. ... I've yet to come across USB 3, drives and things.