Non-sequiteur. There's still no cure for AIDS either.
What?
It's not "tinkering". There are standards and practices to follow, as well as trials and that whole "scientific method" you seem not to prefer over just "thinking" about things. Also;
ME AM PLAY GODS!
Which is pretty much what the immune system does anyway. In fact, the first smallpox vaccines were based on natural cowpox infections people got, after scientists noticed their resistance to smallpox. There was another vaccine based on horse pox, when the British Army realized that cavalry were more resistant to smallpox than infantry.
I dunno. Would you care to cite some actual studies?
I'll bet you just made up that fact and have nothing to support it, and are ranging further and further afield from your claim about the link between vaccines and autism in order to win any kind of points in the debate whatsoever.
Hey, look, I'm right! What do I win?