world" was off of a stolen sign using a telescope and buzzers. And the Giants were doing it most of the year, if not the entire year. And probably other years as well.
If we're going to discount wins for every team that had a guy with a telescope or high powered binoculars and a flashlight in center field from time to time then we're not going to have many WS titles left. Unless you only want to strip titles from teams that used more high-tech systems and did so more frequently.