In other words, the mind of the recipient of new theories should not be passive. New theories or principles should be constructively criticized and improved. Jarvie shows that this process, in fact, operates throughout society. There are usually alternatives, whether of theories, ideologies, fashions, songs, sports, or whatever, and usually contrarian personalities and institutions to promote these alternatives. So, the quality of memes can only be assured with the use of meta-memes.
Mindfulness requires continuous alertness and attention.
Instead, examine the memes that are coming your way , and when they have wider implications or longer-term consequences, add some symbolic value before passing them along. That is what a meta-memetic reading of Jarvie suggests. No liability for the implications or consequences of its use may be attributed to the author.