From: XIII_rocks | #030
I don't believe in the silly slippery slope idea that "you have to allow 100% freedom of speech all the time, or else you are letting people decide what is and isn't OK to say". It should be clear to anyone with a basic level of social skill what is and isn't "OK" to say. The "negative" is basically that less and less stuff will become acceptable which is, in the end, slippery slope fallacy.
Every single discussion of morality in the context of religion disagrees with you. Some of the central aspects of Christianity (morality being derived from God, people "deserving" damnation if they aren't "forgiven" via faith in Jesus) are obviously extremely offensive to people who disagree with them (the "forgiveness" aspect is exactly what you describe as not being acceptable - "everyone who is outside this group should suffer"). Conversely, to a Christian, if I attempt to explain how a non-Christian system of ethics can exist and try to convince people why I don't believe in Christianity, I am trying to turn people to evil and make them suffer eternally. Thus, Christianity must be banned, as must anyone who disagrees with it (or rather, the expression of any position on Christianity must be banned)
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Mistake you're making - overlooking the fact that we might not want to be saved.