This is a low-effort and mostly irrelevant argument. Who isn't invested in the status quo? Everyone has a stake in their current profession. What sets apart those in healthcare, especially someone like a surgeon, is their concurrent passion for science/biology and their desire to heal others.

IMO, the parent comment was simply remarking that those with EXPERIENCE in the field have a very different set of memories/recollections about healthcare, not to mention a lot of domain-specific knowledge, that those outside do not have. Those of us who have worked in healthcare for years, as I have, have a MUCH more intimate understanding of its vast complexities than a lay-person could. I think that's entirely reasonable and your comment assigns a negative connotation to people who are largely doing noble and important work.