I mean, take this list of ads for African herbalists. Is it looking down at other cultures? Is it interesting and revealing? Is it merely a bit funny? Or is it all of those things?
Frankly, we'd argue that if you do think it's somehow patronising to cultures who believe in spiritual healers, then that would imply you arrogantly assume you're better than them.
So consider that, when you're having your next "civilised" dinner party and talking about your investment portfolio while knocking back your fifth glass of 1997 Grüner Veltliner and lending your guests a well-thumbed copy of The Power of Now, because it "totally changed my life".