Staying relevant and committed to your firm etiquette, then.
It does actually help to give people this sort of information because then they might make a better choice of product next time around. There is absolutely no doubt that plenty of readers thought "oh well, crap bike anyway" but instead of being honest everyone resorted to this simpering type of response. You could be encouraging the victim to choose a nicer bike but instead you perpetuate the myth in their mind that what they had is worth getting again.
Think, goddamnit.