That specialist went to a lot of medical school, which itself garnered a hefty hourly rate and made some people millionaires. The specialist has to pay into malpractice insurance, which makes some other people millionaires. You could have gone into those or other lines of work and become a millionaire, but you chose not to take the risk or effort, so now you just want to bring everybody down to your level. And sorry for your knee, but hundreds of years ago something would have likely knocked you off by now and the knee wouldn't be an issue. I appreciate the innovators who  become millionaires increasing our lifespans and quality of life.