It makes no difference why they were first developed. What matters is the intention of the person involved in the act. That much should be obvious.

Wedding rings, Easter eggs and Christmas trees are just a few of the many customs of Christians that had pagan origins. Does that mean that these things should be prohibited because they smack of idolatry? Of course not.

There has to be some room for common sense in discerning appropriate practices. Otherwise, we allow ourselves to be governed by panic and superstition rather than authentic Christian principles.