I believe that there are people here who deliberately do things to agitate you. There are a few very obvious ones. However, I don't think it's as prevalent as you think.
For example, tactical1 recently wrote, "Red tie haters, begone." I do think he was referencing your expressed distaste for most red ties, but I don't think he was deliberately fucking with you. I think he actually believed his red tie was in good taste. That tie was not in good taste, and he should know that, if he had actually paid attention to what you've discussed in the past. I just don't think he posted it with the deliberate intent to piss you off. I honestly think he posted it, because he simply doesn't know it's not in good taste.
So while I disagree w/ Manton on quite a few things, I do agree with him that this thread and the US in general are full of "free-thinking, spirited individuals" who define free thought and spirit as thumbing their noses at "the man." But the US is full of such folk precisely because our culture raises everyone to think this way. We all think we're rebels. Such is the lovable, frustrating American sheep.