For those worried about "politeness" and causing offense, don't be worried on my account. I like a good tussle, so go ahead and say what you want! Have a look at the "introduction" to my blog on the top right had corner:
Please feel free to criticise me, deconstruct me, tear me apart. In fact, I want you to do it! Don't worry about politeness, but do it with love. Which is, of course, harder than being polite.