People come up to me all the time and say 'Oh I love to watch Food Network ' and I ask them what they cook and they say 'I don't really cook.' They're afraid they're intimidated they know all about food from eating out and watching TV but they don't know where to start in their own kitchen.
The implications of these considerations justify the statement that all empirically verifiable knowledge even the commonsense knowledge of everyday life - involves implicitly if not explicitly systematic theory in this sense.