Also share the message that the point is to punish the retailer. Don't double up on purchases before or after the boycott day. Doubling up will cancel out the boycott day.
I don't think it's sad; some people really do need help understanding this. Protesting an oligarchy is new for most of us. You've just provided helpful information to people who can participate in this, especially those who can ONLY participate in this for one reason or another