I never learned anything from a compliment

People often send me emails with URLs to where others have been critical of my work or writing... or whatever. A lot of times they will follow it up by "what a jerk" or something like that. I NEVER get upset from criticism. How seriously I will take it just depends on my opinion of the person, what they are criticizing and there level of expertise in that area. For instance if Jason Calcanis sent me a email critiquing my blogging style, Jensense critiquing my contextual advertising technique, problogger critiqing my theories about making money in regards to blog, David Naylor critiquing my (undisclosed), oilman on seo.. well you get the point. But like this page here where I am referred to as a "Tool". I wonder what kind of Tool this guy thinks I am.. Hammer? Screwdriver? or..... a Plunger? I wish he would have been a bit more descriptive. I think what made me think about this was being at these 2 conferences (Boston and toronto) the last 2 weeks and seeing the Ego's FLARE up whenever anyone was criticized.. its SO stupid. I think that is why there is not that many GOOD SEO people in what is seemingly a pretty easy business model to master. I know I am a weird guy but one of the most insulting things you can say to me is "Nice Job, Keep up the good work". CMON keep up the good work? I spend 5% of my time maintaining what I have and 95% trying to make it grow! So please flame away but just be precise. I know I have horrid Grammar.. I am working on that. But please feel free to correct me when you see it. (or anything else) I may not respond to everything but I do read everything and appreciate ALL comments.