I'm not entirely sure what's going on here because the replies are very long. I certainly have the time to read it now, just not the willpower. Here's my initial assessment:
ZMannZilla (I hope I spelled your name right from memory) seems to be making an issue out of the use of the words "faggot" and "nigger" and their use in society. So, the problem, if I am understanding it correctly, is that he wants everyone in the world (or at least everyone who can read this thread) to stop using the words "faggot" and "nigger" because they are offensive, correct?
Unfortunately, you can't change everyone. There have been many before you, Z, and there will be many after you. You can argue with the individuals who offend you, but it's not likely going to do you much good. My preferred route is simply to ignore those people who offend me. If it is like a friend or someone who genuinely cares for me in some way (truthfully or imagined in my own head), I won't hesitate to at least ask them to not do those things in front of me, and, out of respect for me, they generally choose not to say/do the things that offend me when I am around.
I believe you called someone selfish because those words didn't offend them, so they saw no real point. But aren't you being selfish yourself by requesting that everyone else conform to what you believe is right?
I respect the wishes of those around me. If someone tells me that they really hate it when people drink coffee, I will not drink coffee around them. But when they are not present, there is nothing wrong with me drinking coffee, is there? I no longer have to respect them when I am in my own home and not attempting to be social with them. The same with the words people choose to use. If you ask them to be respectful of you and not use them to or around you, that's one thing. But to request that they never do again is another thing. Furthermore, to request that the entire website conform to your standards is unacceptable, at least the way I see it. Here is a website that allows people to express themselves (through the forum of comics). And you're telling people to restrict themselves in their expressions. I bet Piccaso's art would have been REALLY great if someone were looking over his shoulder telling him the right and wrong ways to put paint to canvas.
On this website, it's pretty generally accepted that the users have freedom of speech. Being that you did not make this website, nor do you own it, you do not have the right to take anyone's freedom of speech away. If I have all my facts straight, this is how I feel and I don't think you have the right at all to censor anyone here. If someone says something directly to you that offends you, go ahead and hunt them down, but if they're not directly involving you, please ignore them or expect the same demands of censorship from them.
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Happy Birthday!