Dire consequences, too, were implicit in the strategy employed by two Melbourne men a couple of years ago. They courteously invited their visitors inside and offered them - in the spirit of politeness - some lovely homemade biscuits. They failed to mention, however, that the warm and enticing cookies contained rather a lot of cannabis.
Now that's the way to go If I ever have some advance warning of a nice friendly elders visit, I will have to prepare them a special batch of the Cape's 4:20 brownies. Let's see them keep a straight face spewing out their dogma with a nice buzz going on.