8ch actively caters to white supremacists, by letting /pol/ be the second largest board there and not be actively moderated to combat hate speech. 8ch administrators did nothing to prevent hate speech from becoming a large chunk of their discourse. As such, people were looking towards 8ch's providers to do something about this, as it has been the case on the Internet since forever (ISP not reacting to abuse requests concerning their customers? Okay, we have to contact their upstreams then).
And therein lies the problem. This sort of behavior is tolerated in Facebook and Twitter simply because they are "large" by some random metric. If FB or Twitter decides one day to mass censor a certain type of content, it somehow isn't a big deal because they are "large"
Glorification is a matter of free speech, because it is an expression of opinion. That you find it distasteful is fine, using that as a weapon is not.
Either way, Facebook won't be held accountable because it's funded by large investment funds, and HN won't complain because they're in bed together.
The "too big" argument is not a moral argument, that just says "we have money invested in it". If that's acceptable to you you have no morality.