Magazine is Model Aviation.

The article focuses on the left turn most planes exhibit on takeoff. That's more often a result of too much throttle too soon. His theory is that a mass far out in the right wing will cause it right yaw.

Pattern planes very often are balanced laterally by flight test result. That is certainly a very sensible way to arrive at any lateral ballasting a flyer would wish for. It seems humorous that anyone would feel that poor takeoff technique would be worth laterally imbalancing the airplane and probably influencing flight characteristics negatively.