问HN：HN是否过于自由派？
我忍不住看到这里任何保守观点都被大量踩低，类似于Reddit上无休止的思想警察。<p>何时起，干净、无犯罪的公共空间和严格执行的移民控制成为了如此明显的分歧线？
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Can't help myself but see any kind of conservative view heavily downvoted here, similar to reddit's incessant thought police.<p>When did the concept of clean, crime-free public spaces and strictly enforced immigration controls become such a dividing line?