Yes, and the chiropractic author contends that the heading in the Chiropractic section of the Yellow Pages serves that function. Whether he's right or wrong, it's OR to go too far in this matter. Do you have any evidence that NZ chiropractors have been prosecuted or criticized for their entries under THAT section? If you do, then you'd have a strong case. Until then, you're engaging in OR and SYNTH.