Let's face it. Dr Smith was annoying af. I don't understand why no one in the Robinson family offed the guy, or at the very least, just leave him behind on one of the p... moreLet's face it. Dr Smith was annoying af. I don't understand why no one in the Robinson family offed the guy, or at the very least, just leave him behind on one of the planets. I think the robot wanted to kill him but Will Robinson was a sorry sap, had too much of a conscience, and programmed the robot to do no harm to the old b*st*rd.