Bob--I do agree with your last statement but,,,,there is a diplomatic way of stating one's view on a bad product. I have seen people come here and post that xyz product is a piece of sh$t, instead of pointing out the short comings of the product in a sensible manor as they see it. No one should be stopped from stating their views on a product even if they are not positive.
So far I have not been asked to change any view I have posted, had a few deleted d/t relevance after a thread has been cleaned up though.

Edit: I feel out right bashing without substantiation should not be tolerated under any circumstance.