[Marc P.]

I have a feeling the flashing was designed to grab the attention of drivers and operators. With a rotating light, it's obvious which robot is part of what alliance, since there is a rotating motion which can be tracked in peripheral vision relatively easily. If there is a constant light with no motion, you might overlook the color out of the corner of your eye. I think people are more likely to catch and recognize something moving in the corner of their eye than something stationary in the same position. I think this is especially true given the relative dimness of the LEDs compared to other objects on the field. The flashing created a motion much more easily seen out of the corner of your eye than a stationary color would.