I lost the above link to this from a couple of days back. Here it is again. The cartoon in the above-linked page makes a good point.
I don’t have a great problem with hypocrisy, in that it doesn’t change the validity of a hypocrite’s message. The message is either true or false, it’s good, bad or indifferent. The particular moral standing of the message bringer has nothing to do with it.
What is relevant in hypocrisy is the extent to which the hypocritical message deliverer actually believes her message. To be a bit more plainspoken: a hypocrite leaves herself open to charges of being a liar.