Just came through immigration at Suvarnabhumi. The IO looked at my visa and asked if I had the insurance. I very respectfully explained that my visa was issued in July last year and according to the information from Thai immigration and an email from the Thai embassy in Canberra I don't need to have it until I need to renew this July. I also showed them page 5 of the Health Services document I posted here today. They read it and had a chuckle then stamped me in for a year. Happy Days.