My perspective (21/M/Black Canadian): the people who say we can just ignore it are right. That’s because you pretty much have to learn to deal with it as an avid internet user (even on more ‘vanilla’ sites like YouTube).

The part that affects me isn’t the word itself, and I don’t personally feel offended by a stranger using it. It’s just over time when you see so much vitriol directed towards your race even in places where it should be irrelevant (like gaming), I noticed I began to think that pretty much all white people were consumed by a hatred of blacks (why else would I see the n word being used so often?). It's hard to remind yourself about how big the internet is, maybe it's just the particular communities you visit, etc.

Edit: since this a throwaway anyway, I did develop a distaste for associating with white people for a period of time. In my mind, they were two faced and probably wouldn't hesitate to call people like me n*gger online.