If HN became more censorious, what websites would you shift to?

Censorious in what way exactly? I feel like it is highly moderated already to the point where only posts that matter make it to the top (at least most of the time, no system is 100% perfect).

ham radio

Blog comment sections.

IRC

Reddit :)

Is freedom really the freedom to shout 'black people are stupid' on the streets of Harlem?

Usually when people are worried about online censorship you find that they have some 'inconvenient truth' like that which is inane at best.

People have some right to protect themselves from those who want to piss in the pool.