"Subordination to the prevailing orthodoxy has consequences. The not-so-tacit message is that we should only fight smart wars that are not blunders, wars that succeed in their objectives – by definition just and right according to prevailing orthodoxy even if they are in reality “wicked wars,” major crimes. Illustrations are too numerous to mention. In some cases, like the crime of the century, the practice is virtually without exception in respectable circles."
Does (not-so-tacit) mean (direct)?
Does (practice) refer to (the practice of prudence)?
Please rephrase the part highlighted in green as I was ont able to get it.