Wrong. It takes a lot more than changing one's mind to become a quack....the problem is that anyone who changes their opinion, even doctors who's own kids have experienced serious side effects from vaccines, "become" quacks to the establishment and uniformed public as soon as they change their opinion...
Yes, mostly carried out in the name of religion. That was one of many cases where science threatened religion, and people died because of it. And it does take a long time to convince people about change. But, just like the those scientists that had to convince everyone that the earth goes around the sun, semen causes pregnancy, evolution happens, and bacteria/viruses cause disease...scientists now have convincing and overwhelming evidence that the bulls$hit you are posting is wrong. If you want to convince people otherwise, you have your work cut out for you. You try to use examples of real scientific progress to insinuate that the anti-vax ideology is on the side of scientific progress, and that only a select few (like you) have learned enough about it to know the "truth". These are quite amateur persuasion tactics, and you aren't fooling many people here. That is why your behavior is labeled as "pseudoscience", because it appears scientific but is actually *not* in any way....I mean we have seen major changes on various issues but it takes society and the establishment years to accept and no longer ignore something that is not necessarily quackery. burning people at the stake because they thought the earth was round comes to mind...