And also patently false. Knowledge is knowledge, it's useful without source citations. Is the knowledge of how to do CPR somehow ineffective because I can't c

And also patently false. Knowledge is knowledge, it's useful without source citations. Is the knowledge of how to do CPR somehow ineffective because I can't cite whether I studied the knowledge from website A or book B? Is reality a video game where skills only activate if you speak the magic words beforehand?