Fecal Transplant is important in many cases for people (read: not hams) who have ACTUAL conditions.  I've sat in on a few procedures... these have typically been older, underweight patients who are having issues absorbing nutrients into their systems.  Also, FT can be important in reestablishing gut bacteria after an infection. I've seen a couple presentations on using FT as a treatment for obesity, and I don't feel that it is a good use of donor material when it's so damn easy to put down the fork.