I have a stupid question... This being a "Christian blog site", if you're willing to hit an ignore button on someone, doesn't it just mean that you're so emotionally invested in your own opinion and self edification that the feelings and thoughts of others no longer matter to you?
That seems a rather limited interpretation of the use of the ignore button. Not everything is about opinion, self edification and disagreements. There are some people whose personalities so badly irritate me it becomes a point of frustration. They may not do anything 'wrong', but i subjectively find the way they come across grossly disagreeable. We may even be in agreement on many things. And, no doubt, others feel the same towards me and have me on ignore. And i'm fine with that.
Also there are times when users will 'stalk' another user after a disagreement. They will follow that user around the forums and comment, argue and criticize their
every post. Having the ability to prevent having to see such a person is a good thing and doesn't not fall under any of the categories you describe.
No doubt some people may use the ignore feature for reasons you state, it's inaccurate to state that those could be the Only reasons, and thus suggest that anyone who uses such an option is revealing negative traits. Thats quite a critical view of people.
In real life people avoid and ignore those they dislike as well. In churches, too. The bible doesn't say we have to like everyone, just to love them. We even see in the OT (i'm blanking on the names, maybe Abram? and someone else) had such major disagreements when traveling together that they agreed to separate once they arrived at their destination. It was better for them to separate than try to force something and pretend it as the right thing.