Perhaps this could be seen as a teaching moment for a teacher.
One approach might be exploring with the children to analyze *why* they prefer one item over another. It doesn’t much matter whether the object is food, color, music or even people, the methods we use in making our choices may be equally as sound, unsound or arbitrary.
The teacher can then work with students to consider the benefits of overcoming one’s inclination in some cases and in deciding which situations merit a second look.