I would not refer to you as stupid and unscientific.
I hold no medical degree and I gather you do not either.
What you do seem to be doing, though, falls under the logical fallacy of correlation equaling causation.
It’s just common sense. Kid was fine, got the vaccine, the kid has autism. That tells me all I need to know. If I trusted the scientists (you know, the guys who say everything evolved from some big bang somewhere, and that my minivan is causing icecaps to melt), the pharmaceutical companies (the guys who say all bad behavior can be cured by drugs) and the politicians (...), I would not believe my own eyes. None of those guys can compel me to ignore my own experience.