Absolutely; witness the number of people who don't participate in organized religion but have some kind of ad-hoc personal practice. Or, better, notice how many

Absolutely; witness the number of people who don't participate in organized religion but have some kind of ad-hoc personal practice. Or, better, notice how many people (I'm one) continue to entertain small superstitions or borderline-magical habits even while, if asked, they'll say they know they're ridiculous.