You understood what Dave Roberts was thinking. Now, try to understand the net result. Wrigleyville may not quite understand it even if it worked out in their favour—and they were there.
I say again—this is the sort of thing that used to be done to the Cubs, not by them. Every Cub in creation must have thought, “Boy, that guy has no fear!” Something Roberts proved to get his Dodgers to the National League Championship Series in the first place.