Isn't the fact that 'a percentage' of people, be they five percent, or ten percent, be they atheist, or of alternative faith, or whatever, against the notion of Christian propositioning in formal care giver guise, be enough to delimit that care giver to her proscribed role?

If I have a house cleaner, do I want her selling me kosha meat? Or the windowcleaner, offering me Anne Summers catalogues?

A human service or contract, should not stretch beyond it's agreed and mutually understood limits.