Interspirituality and Cultural Appropriation, or, How to Expand Your Faith Without Stealing From Others

Recently I spoke about Christian mysticism and interspirituality for the Closer than Breath Christian Mystic Summit. One attendee, a person named Kurt, wrote a follow-up email to me and asked this question:

Does the experience of interspirituality open one up to charges of some sort of ‘cultural misappropriation’ because I might adopt some practices or texts or whatever from a spiritual/religious tradition that was not my own? Is it only a hardened fundamentalist who would level that charge if I...