I decided not to do OMS because it wasn't for me. I did a lot of shadowing at my DS department, took the CBSE, and did externships. My impression was that the procedures that were most critical were the removal of teeth/pus, biopsy, implant placement in the edentulous, and trauma. However, I was disappointed that the bigger OR cases were often elective and had questionable therapeutic value. I couldn't see myself performing those big cases on patients because of the risk associated with surgery, and the healing that is necessary, VS the questionable therapeutic benefit.
To contrast, I can easily see how a cardiac surgeon justifies TAVR, but the issues that most OS treat are not age related and don't involve organs like the heart. The case volume for life saving/extending surgery just isn't there in OMS unless you go the path less traveled, and less available, like a cancer academic career. To me the 4-6 years of extra training didn't justify itself. I am happy with my career decision and do a lot of tooth removal and implant placement in my general practice. This is a bigger discussion, but I think there is a movement in healthcare towards doing what you're competent in rather than what "turf" your specialty claims. That's especially true in dentistry because we're in an outpatient environment. Hopefully I've cleared up the "mixed messages" and have not reached that critical "stupid" level.