My goodness - welcome to Miss Brienne (The Original Coppertop) and wishing you a Happy Holiday Season.
And back on track ==> very interesting thread (as articles on tipping always are.....) I guess everything provided since last evening has some semblence of meaning;
however, I cannot in any way accept that tipping a physician and giving gifts to his family members for providing services as governed by The Hippocratic Oath as being acceptable.
And BTW - tremendous and well thought out reply JD Northface.