The Blind Suing The Blind
After all, you may have the same customers.
Which is why it's so interesting that the Council of Natural Medicine College of Canada is being sued for giving out degrees in acupuncture - by the College of Traditional Chinese Medicine Practitioners and Acupuncturists of B.C.
Looks like they've gone from the "Tradition Means It Works" fallacy to "Protecting Our Turf" mode. This should be an interesting challenge - I wonder how exactly one school is going to prove that the other doesn't know what it's doing, and is thus illegitimate?